diff --git a/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/AzureAppConfigurationClient.cs b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/AzureAppConfigurationClient.cs
new file mode 100644
index 000000000000..291d777cde96
--- /dev/null
+++ b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/AzureAppConfigurationClient.cs
@@ -0,0 +1,4303 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.AppConfiguration
+{
+    using Microsoft.Rest;
+    using Microsoft.Rest.Azure;
+    using Microsoft.Rest.Serialization;
+    using Models;
+    using Newtonsoft.Json;
+    using System.Collections;
+    using System.Collections.Generic;
+    using System.Linq;
+    using System.Net;
+    using System.Net.Http;
+    using System.Threading;
+    using System.Threading.Tasks;
+
+    public partial class AzureAppConfigurationClient : ServiceClient<AzureAppConfigurationClient>, IAzureAppConfigurationClient, IAzureClient
+    {
+        /// <summary>
+        /// The base URI of the service.
+        /// </summary>
+        internal string BaseUri {get; set;}
+
+        /// <summary>
+        /// Gets or sets json serialization settings.
+        /// </summary>
+        public JsonSerializerSettings SerializationSettings { get; private set; }
+
+        /// <summary>
+        /// Gets or sets json deserialization settings.
+        /// </summary>
+        public JsonSerializerSettings DeserializationSettings { get; private set; }
+
+        /// <summary>
+        /// Credentials needed for the client to connect to Azure.
+        /// </summary>
+        public ServiceClientCredentials Credentials { get; private set; }
+
+        /// <summary>
+        /// Used to guarantee real-time consistency between requests.
+        /// </summary>
+        public string SyncToken { get; set; }
+
+        /// <summary>
+        /// The API version to be used with the HTTP request.
+        /// </summary>
+        public string ApiVersion { get; private set; }
+
+        /// <summary>
+        /// The endpoint of the App Configuration instance to send requests to.
+        /// </summary>
+        public string Endpoint { get; set; }
+
+        /// <summary>
+        /// The preferred language for the response.
+        /// </summary>
+        public string AcceptLanguage { get; set; }
+
+        /// <summary>
+        /// The retry timeout in seconds for Long Running Operations. Default value is
+        /// 30.
+        /// </summary>
+        public int? LongRunningOperationRetryTimeout { get; set; }
+
+        /// <summary>
+        /// Whether a unique x-ms-client-request-id should be generated. When set to
+        /// true a unique x-ms-client-request-id value is generated and included in
+        /// each request. Default is true.
+        /// </summary>
+        public bool? GenerateClientRequestId { get; set; }
+
+        /// <summary>
+        /// Initializes a new instance of the AzureAppConfigurationClient class.
+        /// </summary>
+        /// <param name='httpClient'>
+        /// HttpClient to be used
+        /// </param>
+        /// <param name='disposeHttpClient'>
+        /// True: will dispose the provided httpClient on calling AzureAppConfigurationClient.Dispose(). False: will not dispose provided httpClient</param>
+        protected AzureAppConfigurationClient(HttpClient httpClient, bool disposeHttpClient) : base(httpClient, disposeHttpClient)
+        {
+            Initialize();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the AzureAppConfigurationClient class.
+        /// </summary>
+        /// <param name='handlers'>
+        /// Optional. The delegating handlers to add to the http client pipeline.
+        /// </param>
+        protected AzureAppConfigurationClient(params DelegatingHandler[] handlers) : base(handlers)
+        {
+            Initialize();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the AzureAppConfigurationClient class.
+        /// </summary>
+        /// <param name='rootHandler'>
+        /// Optional. The http client handler used to handle http transport.
+        /// </param>
+        /// <param name='handlers'>
+        /// Optional. The delegating handlers to add to the http client pipeline.
+        /// </param>
+        protected AzureAppConfigurationClient(HttpClientHandler rootHandler, params DelegatingHandler[] handlers) : base(rootHandler, handlers)
+        {
+            Initialize();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the AzureAppConfigurationClient class.
+        /// </summary>
+        /// <param name='credentials'>
+        /// Required. Credentials needed for the client to connect to Azure.
+        /// </param>
+        /// <param name='handlers'>
+        /// Optional. The delegating handlers to add to the http client pipeline.
+        /// </param>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        public AzureAppConfigurationClient(ServiceClientCredentials credentials, params DelegatingHandler[] handlers) : this(handlers)
+        {
+            if (credentials == null)
+            {
+                throw new System.ArgumentNullException("credentials");
+            }
+            Credentials = credentials;
+            if (Credentials != null)
+            {
+                Credentials.InitializeServiceClient(this);
+            }
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the AzureAppConfigurationClient class.
+        /// </summary>
+        /// <param name='credentials'>
+        /// Required. Credentials needed for the client to connect to Azure.
+        /// </param>
+        /// <param name='httpClient'>
+        /// HttpClient to be used
+        /// </param>
+        /// <param name='disposeHttpClient'>
+        /// True: will dispose the provided httpClient on calling AzureAppConfigurationClient.Dispose(). False: will not dispose provided httpClient</param>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        public AzureAppConfigurationClient(ServiceClientCredentials credentials, HttpClient httpClient, bool disposeHttpClient) : this(httpClient, disposeHttpClient)
+        {
+            if (credentials == null)
+            {
+                throw new System.ArgumentNullException("credentials");
+            }
+            Credentials = credentials;
+            if (Credentials != null)
+            {
+                Credentials.InitializeServiceClient(this);
+            }
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the AzureAppConfigurationClient class.
+        /// </summary>
+        /// <param name='credentials'>
+        /// Required. Credentials needed for the client to connect to Azure.
+        /// </param>
+        /// <param name='rootHandler'>
+        /// Optional. The http client handler used to handle http transport.
+        /// </param>
+        /// <param name='handlers'>
+        /// Optional. The delegating handlers to add to the http client pipeline.
+        /// </param>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        public AzureAppConfigurationClient(ServiceClientCredentials credentials, HttpClientHandler rootHandler, params DelegatingHandler[] handlers) : this(rootHandler, handlers)
+        {
+            if (credentials == null)
+            {
+                throw new System.ArgumentNullException("credentials");
+            }
+            Credentials = credentials;
+            if (Credentials != null)
+            {
+                Credentials.InitializeServiceClient(this);
+            }
+        }
+
+        /// <summary>
+        /// An optional partial-method to perform custom initialization.
+        /// </summary>
+        partial void CustomInitialize();
+        /// <summary>
+        /// Initializes client properties.
+        /// </summary>
+        private void Initialize()
+        {
+            BaseUri = "{endpoint}";
+            ApiVersion = "1.0";
+            AcceptLanguage = "en-US";
+            LongRunningOperationRetryTimeout = 30;
+            GenerateClientRequestId = true;
+            SerializationSettings = new JsonSerializerSettings
+            {
+                Formatting = Newtonsoft.Json.Formatting.Indented,
+                DateFormatHandling = Newtonsoft.Json.DateFormatHandling.IsoDateFormat,
+                DateTimeZoneHandling = Newtonsoft.Json.DateTimeZoneHandling.Utc,
+                NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore,
+                ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Serialize,
+                ContractResolver = new ReadOnlyJsonContractResolver(),
+                Converters = new List<JsonConverter>
+                    {
+                        new Iso8601TimeSpanConverter()
+                    }
+            };
+            DeserializationSettings = new JsonSerializerSettings
+            {
+                DateFormatHandling = Newtonsoft.Json.DateFormatHandling.IsoDateFormat,
+                DateTimeZoneHandling = Newtonsoft.Json.DateTimeZoneHandling.Utc,
+                NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore,
+                ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Serialize,
+                ContractResolver = new ReadOnlyJsonContractResolver(),
+                Converters = new List<JsonConverter>
+                    {
+                        new Iso8601TimeSpanConverter()
+                    }
+            };
+            CustomInitialize();
+            DeserializationSettings.Converters.Add(new CloudErrorJsonConverter());
+        }
+        /// <summary>
+        /// Gets a list of keys.
+        /// </summary>
+        /// <param name='name'>
+        /// A filter for the name of the returned keys.
+        /// </param>
+        /// <param name='after'>
+        /// Instructs the server to return elements that appear after the element
+        /// referred to by the specified token.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at the
+        /// specified time.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<IPage<Key>,GetKeysHeaders>> GetKeysWithHttpMessagesAsync(string name = default(string), string after = default(string), string acceptDatetime = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (Endpoint == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Endpoint");
+            }
+            if (ApiVersion == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.ApiVersion");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("name", name);
+                tracingParameters.Add("after", after);
+                tracingParameters.Add("acceptDatetime", acceptDatetime);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "GetKeys", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = BaseUri;
+            var _url = _baseUrl + (_baseUrl.EndsWith("/") ? "" : "/") + "keys";
+            _url = _url.Replace("{endpoint}", Endpoint);
+            List<string> _queryParameters = new List<string>();
+            if (name != null)
+            {
+                _queryParameters.Add(string.Format("name={0}", System.Uri.EscapeDataString(name)));
+            }
+            if (ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(ApiVersion)));
+            }
+            if (after != null)
+            {
+                _queryParameters.Add(string.Format("After={0}", System.Uri.EscapeDataString(after)));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("GET");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (GenerateClientRequestId != null && GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (SyncToken != null)
+            {
+                if (_httpRequest.Headers.Contains("Sync-Token"))
+                {
+                    _httpRequest.Headers.Remove("Sync-Token");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Sync-Token", SyncToken);
+            }
+            if (acceptDatetime != null)
+            {
+                if (_httpRequest.Headers.Contains("Accept-Datetime"))
+                {
+                    _httpRequest.Headers.Remove("Accept-Datetime");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Accept-Datetime", acceptDatetime);
+            }
+            if (AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new ErrorException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    Error _errorBody =  SafeJsonConvert.DeserializeObject<Error>(_responseContent, DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<IPage<Key>,GetKeysHeaders>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = SafeJsonConvert.DeserializeObject<Page<Key>>(_responseContent, DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            try
+            {
+                _result.Headers = _httpResponse.GetHeadersAsJson().ToObject<GetKeysHeaders>(JsonSerializer.Create(DeserializationSettings));
+            }
+            catch (JsonException ex)
+            {
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw new SerializationException("Unable to deserialize the headers.", _httpResponse.GetHeadersAsJson().ToString(), ex);
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// Requests the headers and status of the given resource.
+        /// </summary>
+        /// <param name='name'>
+        /// A filter for the name of the returned keys.
+        /// </param>
+        /// <param name='after'>
+        /// Instructs the server to return elements that appear after the element
+        /// referred to by the specified token.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at the
+        /// specified time.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="CloudException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationHeaderResponse<CheckKeysHeaders>> CheckKeysWithHttpMessagesAsync(string name = default(string), string after = default(string), string acceptDatetime = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (Endpoint == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Endpoint");
+            }
+            if (ApiVersion == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.ApiVersion");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("name", name);
+                tracingParameters.Add("after", after);
+                tracingParameters.Add("acceptDatetime", acceptDatetime);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "CheckKeys", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = BaseUri;
+            var _url = _baseUrl + (_baseUrl.EndsWith("/") ? "" : "/") + "keys";
+            _url = _url.Replace("{endpoint}", Endpoint);
+            List<string> _queryParameters = new List<string>();
+            if (name != null)
+            {
+                _queryParameters.Add(string.Format("name={0}", System.Uri.EscapeDataString(name)));
+            }
+            if (ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(ApiVersion)));
+            }
+            if (after != null)
+            {
+                _queryParameters.Add(string.Format("After={0}", System.Uri.EscapeDataString(after)));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("HEAD");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (GenerateClientRequestId != null && GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (SyncToken != null)
+            {
+                if (_httpRequest.Headers.Contains("Sync-Token"))
+                {
+                    _httpRequest.Headers.Remove("Sync-Token");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Sync-Token", SyncToken);
+            }
+            if (acceptDatetime != null)
+            {
+                if (_httpRequest.Headers.Contains("Accept-Datetime"))
+                {
+                    _httpRequest.Headers.Remove("Accept-Datetime");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Accept-Datetime", acceptDatetime);
+            }
+            if (AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await HttpClient.SendAsync(_httpRequest, System.Net.Http.HttpCompletionOption.ResponseHeadersRead, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new CloudException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    CloudError _errorBody =  SafeJsonConvert.DeserializeObject<CloudError>(_responseContent, DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex = new CloudException(_errorBody.Message);
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_httpResponse.Headers.Contains("x-ms-request-id"))
+                {
+                    ex.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+                }
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationHeaderResponse<CheckKeysHeaders>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            try
+            {
+                _result.Headers = _httpResponse.GetHeadersAsJson().ToObject<CheckKeysHeaders>(JsonSerializer.Create(DeserializationSettings));
+            }
+            catch (JsonException ex)
+            {
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw new SerializationException("Unable to deserialize the headers.", _httpResponse.GetHeadersAsJson().ToString(), ex);
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// Gets a list of key-values.
+        /// </summary>
+        /// <param name='key'>
+        /// A filter used to match keys.
+        /// </param>
+        /// <param name='label'>
+        /// A filter used to match labels
+        /// </param>
+        /// <param name='after'>
+        /// Instructs the server to return elements that appear after the element
+        /// referred to by the specified token.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at the
+        /// specified time.
+        /// </param>
+        /// <param name='select'>
+        /// Used to select what fields are present in the returned resource(s).
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<IPage<KeyValue>,GetKeyValuesHeaders>> GetKeyValuesWithHttpMessagesAsync(string key = default(string), string label = default(string), string after = default(string), string acceptDatetime = default(string), IList<string> select = default(IList<string>), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (Endpoint == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Endpoint");
+            }
+            if (ApiVersion == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.ApiVersion");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("key", key);
+                tracingParameters.Add("label", label);
+                tracingParameters.Add("after", after);
+                tracingParameters.Add("acceptDatetime", acceptDatetime);
+                tracingParameters.Add("select", select);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "GetKeyValues", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = BaseUri;
+            var _url = _baseUrl + (_baseUrl.EndsWith("/") ? "" : "/") + "kv";
+            _url = _url.Replace("{endpoint}", Endpoint);
+            List<string> _queryParameters = new List<string>();
+            if (key != null)
+            {
+                _queryParameters.Add(string.Format("key={0}", System.Uri.EscapeDataString(key)));
+            }
+            if (label != null)
+            {
+                _queryParameters.Add(string.Format("label={0}", System.Uri.EscapeDataString(label)));
+            }
+            if (ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(ApiVersion)));
+            }
+            if (after != null)
+            {
+                _queryParameters.Add(string.Format("After={0}", System.Uri.EscapeDataString(after)));
+            }
+            if (select != null)
+            {
+                _queryParameters.Add(string.Format("$Select={0}", System.Uri.EscapeDataString(string.Join(",", select))));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("GET");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (GenerateClientRequestId != null && GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (SyncToken != null)
+            {
+                if (_httpRequest.Headers.Contains("Sync-Token"))
+                {
+                    _httpRequest.Headers.Remove("Sync-Token");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Sync-Token", SyncToken);
+            }
+            if (acceptDatetime != null)
+            {
+                if (_httpRequest.Headers.Contains("Accept-Datetime"))
+                {
+                    _httpRequest.Headers.Remove("Accept-Datetime");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Accept-Datetime", acceptDatetime);
+            }
+            if (AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new ErrorException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    Error _errorBody =  SafeJsonConvert.DeserializeObject<Error>(_responseContent, DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<IPage<KeyValue>,GetKeyValuesHeaders>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = SafeJsonConvert.DeserializeObject<Page<KeyValue>>(_responseContent, DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            try
+            {
+                _result.Headers = _httpResponse.GetHeadersAsJson().ToObject<GetKeyValuesHeaders>(JsonSerializer.Create(DeserializationSettings));
+            }
+            catch (JsonException ex)
+            {
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw new SerializationException("Unable to deserialize the headers.", _httpResponse.GetHeadersAsJson().ToString(), ex);
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// Requests the headers and status of the given resource.
+        /// </summary>
+        /// <param name='key'>
+        /// A filter used to match keys.
+        /// </param>
+        /// <param name='label'>
+        /// A filter used to match labels
+        /// </param>
+        /// <param name='after'>
+        /// Instructs the server to return elements that appear after the element
+        /// referred to by the specified token.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at the
+        /// specified time.
+        /// </param>
+        /// <param name='select'>
+        /// Used to select what fields are present in the returned resource(s).
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="CloudException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationHeaderResponse<CheckKeyValuesHeaders>> CheckKeyValuesWithHttpMessagesAsync(string key = default(string), string label = default(string), string after = default(string), string acceptDatetime = default(string), IList<string> select = default(IList<string>), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (Endpoint == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Endpoint");
+            }
+            if (ApiVersion == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.ApiVersion");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("key", key);
+                tracingParameters.Add("label", label);
+                tracingParameters.Add("after", after);
+                tracingParameters.Add("acceptDatetime", acceptDatetime);
+                tracingParameters.Add("select", select);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "CheckKeyValues", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = BaseUri;
+            var _url = _baseUrl + (_baseUrl.EndsWith("/") ? "" : "/") + "kv";
+            _url = _url.Replace("{endpoint}", Endpoint);
+            List<string> _queryParameters = new List<string>();
+            if (key != null)
+            {
+                _queryParameters.Add(string.Format("key={0}", System.Uri.EscapeDataString(key)));
+            }
+            if (label != null)
+            {
+                _queryParameters.Add(string.Format("label={0}", System.Uri.EscapeDataString(label)));
+            }
+            if (ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(ApiVersion)));
+            }
+            if (after != null)
+            {
+                _queryParameters.Add(string.Format("After={0}", System.Uri.EscapeDataString(after)));
+            }
+            if (select != null)
+            {
+                _queryParameters.Add(string.Format("$Select={0}", System.Uri.EscapeDataString(string.Join(",", select))));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("HEAD");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (GenerateClientRequestId != null && GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (SyncToken != null)
+            {
+                if (_httpRequest.Headers.Contains("Sync-Token"))
+                {
+                    _httpRequest.Headers.Remove("Sync-Token");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Sync-Token", SyncToken);
+            }
+            if (acceptDatetime != null)
+            {
+                if (_httpRequest.Headers.Contains("Accept-Datetime"))
+                {
+                    _httpRequest.Headers.Remove("Accept-Datetime");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Accept-Datetime", acceptDatetime);
+            }
+            if (AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await HttpClient.SendAsync(_httpRequest, System.Net.Http.HttpCompletionOption.ResponseHeadersRead, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new CloudException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    CloudError _errorBody =  SafeJsonConvert.DeserializeObject<CloudError>(_responseContent, DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex = new CloudException(_errorBody.Message);
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_httpResponse.Headers.Contains("x-ms-request-id"))
+                {
+                    ex.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+                }
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationHeaderResponse<CheckKeyValuesHeaders>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            try
+            {
+                _result.Headers = _httpResponse.GetHeadersAsJson().ToObject<CheckKeyValuesHeaders>(JsonSerializer.Create(DeserializationSettings));
+            }
+            catch (JsonException ex)
+            {
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw new SerializationException("Unable to deserialize the headers.", _httpResponse.GetHeadersAsJson().ToString(), ex);
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// Gets a single key-value.
+        /// </summary>
+        /// <param name='key'>
+        /// The key of the key-value to retrieve.
+        /// </param>
+        /// <param name='label'>
+        /// The label of the key-value to retrieve.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at the
+        /// specified time.
+        /// </param>
+        /// <param name='ifMatch'>
+        /// Used to perform an operation only if the targeted resource's etag matches
+        /// the value provided.
+        /// </param>
+        /// <param name='ifNoneMatch'>
+        /// Used to perform an operation only if the targeted resource's etag does not
+        /// match the value provided.
+        /// </param>
+        /// <param name='select'>
+        /// Used to select what fields are present in the returned resource(s).
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<KeyValue,GetKeyValueHeaders>> GetKeyValueWithHttpMessagesAsync(string key, string label = default(string), string acceptDatetime = default(string), string ifMatch = default(string), string ifNoneMatch = default(string), IList<string> select = default(IList<string>), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (Endpoint == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Endpoint");
+            }
+            if (key == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "key");
+            }
+            if (ApiVersion == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.ApiVersion");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("key", key);
+                tracingParameters.Add("label", label);
+                tracingParameters.Add("acceptDatetime", acceptDatetime);
+                tracingParameters.Add("ifMatch", ifMatch);
+                tracingParameters.Add("ifNoneMatch", ifNoneMatch);
+                tracingParameters.Add("select", select);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "GetKeyValue", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = BaseUri;
+            var _url = _baseUrl + (_baseUrl.EndsWith("/") ? "" : "/") + "kv/{key}";
+            _url = _url.Replace("{endpoint}", Endpoint);
+            _url = _url.Replace("{key}", System.Uri.EscapeDataString(key));
+            List<string> _queryParameters = new List<string>();
+            if (label != null)
+            {
+                _queryParameters.Add(string.Format("label={0}", System.Uri.EscapeDataString(label)));
+            }
+            if (ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(ApiVersion)));
+            }
+            if (select != null)
+            {
+                _queryParameters.Add(string.Format("$Select={0}", System.Uri.EscapeDataString(string.Join(",", select))));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("GET");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (GenerateClientRequestId != null && GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (SyncToken != null)
+            {
+                if (_httpRequest.Headers.Contains("Sync-Token"))
+                {
+                    _httpRequest.Headers.Remove("Sync-Token");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Sync-Token", SyncToken);
+            }
+            if (acceptDatetime != null)
+            {
+                if (_httpRequest.Headers.Contains("Accept-Datetime"))
+                {
+                    _httpRequest.Headers.Remove("Accept-Datetime");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Accept-Datetime", acceptDatetime);
+            }
+            if (ifMatch != null)
+            {
+                if (_httpRequest.Headers.Contains("If-Match"))
+                {
+                    _httpRequest.Headers.Remove("If-Match");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("If-Match", ifMatch);
+            }
+            if (ifNoneMatch != null)
+            {
+                if (_httpRequest.Headers.Contains("If-None-Match"))
+                {
+                    _httpRequest.Headers.Remove("If-None-Match");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("If-None-Match", ifNoneMatch);
+            }
+            if (AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new ErrorException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    Error _errorBody =  SafeJsonConvert.DeserializeObject<Error>(_responseContent, DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<KeyValue,GetKeyValueHeaders>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = SafeJsonConvert.DeserializeObject<KeyValue>(_responseContent, DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            try
+            {
+                _result.Headers = _httpResponse.GetHeadersAsJson().ToObject<GetKeyValueHeaders>(JsonSerializer.Create(DeserializationSettings));
+            }
+            catch (JsonException ex)
+            {
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw new SerializationException("Unable to deserialize the headers.", _httpResponse.GetHeadersAsJson().ToString(), ex);
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// Creates a key-value.
+        /// </summary>
+        /// <param name='key'>
+        /// The key of the key-value to create.
+        /// </param>
+        /// <param name='label'>
+        /// The label of the key-value to create.
+        /// </param>
+        /// <param name='entity'>
+        /// The key-value to create.
+        /// </param>
+        /// <param name='ifMatch'>
+        /// Used to perform an operation only if the targeted resource's etag matches
+        /// the value provided.
+        /// </param>
+        /// <param name='ifNoneMatch'>
+        /// Used to perform an operation only if the targeted resource's etag does not
+        /// match the value provided.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<KeyValue,PutKeyValueHeaders>> PutKeyValueWithHttpMessagesAsync(string key, string label = default(string), KeyValue entity = default(KeyValue), string ifMatch = default(string), string ifNoneMatch = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (Endpoint == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Endpoint");
+            }
+            if (key == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "key");
+            }
+            if (ApiVersion == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.ApiVersion");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("key", key);
+                tracingParameters.Add("label", label);
+                tracingParameters.Add("entity", entity);
+                tracingParameters.Add("ifMatch", ifMatch);
+                tracingParameters.Add("ifNoneMatch", ifNoneMatch);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "PutKeyValue", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = BaseUri;
+            var _url = _baseUrl + (_baseUrl.EndsWith("/") ? "" : "/") + "kv/{key}";
+            _url = _url.Replace("{endpoint}", Endpoint);
+            _url = _url.Replace("{key}", System.Uri.EscapeDataString(key));
+            List<string> _queryParameters = new List<string>();
+            if (label != null)
+            {
+                _queryParameters.Add(string.Format("label={0}", System.Uri.EscapeDataString(label)));
+            }
+            if (ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(ApiVersion)));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("PUT");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (GenerateClientRequestId != null && GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (SyncToken != null)
+            {
+                if (_httpRequest.Headers.Contains("Sync-Token"))
+                {
+                    _httpRequest.Headers.Remove("Sync-Token");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Sync-Token", SyncToken);
+            }
+            if (ifMatch != null)
+            {
+                if (_httpRequest.Headers.Contains("If-Match"))
+                {
+                    _httpRequest.Headers.Remove("If-Match");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("If-Match", ifMatch);
+            }
+            if (ifNoneMatch != null)
+            {
+                if (_httpRequest.Headers.Contains("If-None-Match"))
+                {
+                    _httpRequest.Headers.Remove("If-None-Match");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("If-None-Match", ifNoneMatch);
+            }
+            if (AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            if(entity != null)
+            {
+                _requestContent = SafeJsonConvert.SerializeObject(entity, SerializationSettings);
+                _httpRequest.Content = new StringContent(_requestContent, System.Text.Encoding.UTF8);
+                _httpRequest.Content.Headers.ContentType =System.Net.Http.Headers.MediaTypeHeaderValue.Parse("application/json; charset=utf-8");
+            }
+            // Set Credentials
+            if (Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new ErrorException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    Error _errorBody =  SafeJsonConvert.DeserializeObject<Error>(_responseContent, DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<KeyValue,PutKeyValueHeaders>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = SafeJsonConvert.DeserializeObject<KeyValue>(_responseContent, DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            try
+            {
+                _result.Headers = _httpResponse.GetHeadersAsJson().ToObject<PutKeyValueHeaders>(JsonSerializer.Create(DeserializationSettings));
+            }
+            catch (JsonException ex)
+            {
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw new SerializationException("Unable to deserialize the headers.", _httpResponse.GetHeadersAsJson().ToString(), ex);
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// Deletes a key-value.
+        /// </summary>
+        /// <param name='key'>
+        /// The key of the key-value to delete.
+        /// </param>
+        /// <param name='label'>
+        /// The label of the key-value to delete.
+        /// </param>
+        /// <param name='ifMatch'>
+        /// Used to perform an operation only if the targeted resource's etag matches
+        /// the value provided.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<KeyValue,DeleteKeyValueHeaders>> DeleteKeyValueWithHttpMessagesAsync(string key, string label = default(string), string ifMatch = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (Endpoint == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Endpoint");
+            }
+            if (key == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "key");
+            }
+            if (ApiVersion == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.ApiVersion");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("key", key);
+                tracingParameters.Add("label", label);
+                tracingParameters.Add("ifMatch", ifMatch);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "DeleteKeyValue", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = BaseUri;
+            var _url = _baseUrl + (_baseUrl.EndsWith("/") ? "" : "/") + "kv/{key}";
+            _url = _url.Replace("{endpoint}", Endpoint);
+            _url = _url.Replace("{key}", System.Uri.EscapeDataString(key));
+            List<string> _queryParameters = new List<string>();
+            if (label != null)
+            {
+                _queryParameters.Add(string.Format("label={0}", System.Uri.EscapeDataString(label)));
+            }
+            if (ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(ApiVersion)));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("DELETE");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (GenerateClientRequestId != null && GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (SyncToken != null)
+            {
+                if (_httpRequest.Headers.Contains("Sync-Token"))
+                {
+                    _httpRequest.Headers.Remove("Sync-Token");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Sync-Token", SyncToken);
+            }
+            if (ifMatch != null)
+            {
+                if (_httpRequest.Headers.Contains("If-Match"))
+                {
+                    _httpRequest.Headers.Remove("If-Match");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("If-Match", ifMatch);
+            }
+            if (AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200 && (int)_statusCode != 204)
+            {
+                var ex = new ErrorException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    Error _errorBody =  SafeJsonConvert.DeserializeObject<Error>(_responseContent, DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<KeyValue,DeleteKeyValueHeaders>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = SafeJsonConvert.DeserializeObject<KeyValue>(_responseContent, DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            try
+            {
+                _result.Headers = _httpResponse.GetHeadersAsJson().ToObject<DeleteKeyValueHeaders>(JsonSerializer.Create(DeserializationSettings));
+            }
+            catch (JsonException ex)
+            {
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw new SerializationException("Unable to deserialize the headers.", _httpResponse.GetHeadersAsJson().ToString(), ex);
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// Requests the headers and status of the given resource.
+        /// </summary>
+        /// <param name='key'>
+        /// The key of the key-value to retrieve.
+        /// </param>
+        /// <param name='label'>
+        /// The label of the key-value to retrieve.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at the
+        /// specified time.
+        /// </param>
+        /// <param name='ifMatch'>
+        /// Used to perform an operation only if the targeted resource's etag matches
+        /// the value provided.
+        /// </param>
+        /// <param name='ifNoneMatch'>
+        /// Used to perform an operation only if the targeted resource's etag does not
+        /// match the value provided.
+        /// </param>
+        /// <param name='select'>
+        /// Used to select what fields are present in the returned resource(s).
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="CloudException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationHeaderResponse<CheckKeyValueHeaders>> CheckKeyValueWithHttpMessagesAsync(string key, string label = default(string), string acceptDatetime = default(string), string ifMatch = default(string), string ifNoneMatch = default(string), IList<string> select = default(IList<string>), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (Endpoint == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Endpoint");
+            }
+            if (key == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "key");
+            }
+            if (ApiVersion == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.ApiVersion");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("key", key);
+                tracingParameters.Add("label", label);
+                tracingParameters.Add("acceptDatetime", acceptDatetime);
+                tracingParameters.Add("ifMatch", ifMatch);
+                tracingParameters.Add("ifNoneMatch", ifNoneMatch);
+                tracingParameters.Add("select", select);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "CheckKeyValue", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = BaseUri;
+            var _url = _baseUrl + (_baseUrl.EndsWith("/") ? "" : "/") + "kv/{key}";
+            _url = _url.Replace("{endpoint}", Endpoint);
+            _url = _url.Replace("{key}", System.Uri.EscapeDataString(key));
+            List<string> _queryParameters = new List<string>();
+            if (label != null)
+            {
+                _queryParameters.Add(string.Format("label={0}", System.Uri.EscapeDataString(label)));
+            }
+            if (ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(ApiVersion)));
+            }
+            if (select != null)
+            {
+                _queryParameters.Add(string.Format("$Select={0}", System.Uri.EscapeDataString(string.Join(",", select))));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("HEAD");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (GenerateClientRequestId != null && GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (SyncToken != null)
+            {
+                if (_httpRequest.Headers.Contains("Sync-Token"))
+                {
+                    _httpRequest.Headers.Remove("Sync-Token");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Sync-Token", SyncToken);
+            }
+            if (acceptDatetime != null)
+            {
+                if (_httpRequest.Headers.Contains("Accept-Datetime"))
+                {
+                    _httpRequest.Headers.Remove("Accept-Datetime");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Accept-Datetime", acceptDatetime);
+            }
+            if (ifMatch != null)
+            {
+                if (_httpRequest.Headers.Contains("If-Match"))
+                {
+                    _httpRequest.Headers.Remove("If-Match");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("If-Match", ifMatch);
+            }
+            if (ifNoneMatch != null)
+            {
+                if (_httpRequest.Headers.Contains("If-None-Match"))
+                {
+                    _httpRequest.Headers.Remove("If-None-Match");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("If-None-Match", ifNoneMatch);
+            }
+            if (AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await HttpClient.SendAsync(_httpRequest, System.Net.Http.HttpCompletionOption.ResponseHeadersRead, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new CloudException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    CloudError _errorBody =  SafeJsonConvert.DeserializeObject<CloudError>(_responseContent, DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex = new CloudException(_errorBody.Message);
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_httpResponse.Headers.Contains("x-ms-request-id"))
+                {
+                    ex.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+                }
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationHeaderResponse<CheckKeyValueHeaders>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            try
+            {
+                _result.Headers = _httpResponse.GetHeadersAsJson().ToObject<CheckKeyValueHeaders>(JsonSerializer.Create(DeserializationSettings));
+            }
+            catch (JsonException ex)
+            {
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw new SerializationException("Unable to deserialize the headers.", _httpResponse.GetHeadersAsJson().ToString(), ex);
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// Gets a list of labels.
+        /// </summary>
+        /// <param name='name'>
+        /// A filter for the name of the returned labels.
+        /// </param>
+        /// <param name='after'>
+        /// Instructs the server to return elements that appear after the element
+        /// referred to by the specified token.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at the
+        /// specified time.
+        /// </param>
+        /// <param name='select'>
+        /// Used to select what fields are present in the returned resource(s).
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<IPage<Label>,GetLabelsHeaders>> GetLabelsWithHttpMessagesAsync(string name = default(string), string after = default(string), string acceptDatetime = default(string), IList<string> select = default(IList<string>), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (Endpoint == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Endpoint");
+            }
+            if (ApiVersion == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.ApiVersion");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("name", name);
+                tracingParameters.Add("after", after);
+                tracingParameters.Add("acceptDatetime", acceptDatetime);
+                tracingParameters.Add("select", select);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "GetLabels", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = BaseUri;
+            var _url = _baseUrl + (_baseUrl.EndsWith("/") ? "" : "/") + "labels";
+            _url = _url.Replace("{endpoint}", Endpoint);
+            List<string> _queryParameters = new List<string>();
+            if (name != null)
+            {
+                _queryParameters.Add(string.Format("name={0}", System.Uri.EscapeDataString(name)));
+            }
+            if (ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(ApiVersion)));
+            }
+            if (after != null)
+            {
+                _queryParameters.Add(string.Format("After={0}", System.Uri.EscapeDataString(after)));
+            }
+            if (select != null)
+            {
+                _queryParameters.Add(string.Format("$Select={0}", System.Uri.EscapeDataString(string.Join(",", select))));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("GET");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (GenerateClientRequestId != null && GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (SyncToken != null)
+            {
+                if (_httpRequest.Headers.Contains("Sync-Token"))
+                {
+                    _httpRequest.Headers.Remove("Sync-Token");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Sync-Token", SyncToken);
+            }
+            if (acceptDatetime != null)
+            {
+                if (_httpRequest.Headers.Contains("Accept-Datetime"))
+                {
+                    _httpRequest.Headers.Remove("Accept-Datetime");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Accept-Datetime", acceptDatetime);
+            }
+            if (AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new ErrorException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    Error _errorBody =  SafeJsonConvert.DeserializeObject<Error>(_responseContent, DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<IPage<Label>,GetLabelsHeaders>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = SafeJsonConvert.DeserializeObject<Page<Label>>(_responseContent, DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            try
+            {
+                _result.Headers = _httpResponse.GetHeadersAsJson().ToObject<GetLabelsHeaders>(JsonSerializer.Create(DeserializationSettings));
+            }
+            catch (JsonException ex)
+            {
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw new SerializationException("Unable to deserialize the headers.", _httpResponse.GetHeadersAsJson().ToString(), ex);
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// Requests the headers and status of the given resource.
+        /// </summary>
+        /// <param name='name'>
+        /// A filter for the name of the returned labels.
+        /// </param>
+        /// <param name='after'>
+        /// Instructs the server to return elements that appear after the element
+        /// referred to by the specified token.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at the
+        /// specified time.
+        /// </param>
+        /// <param name='select'>
+        /// Used to select what fields are present in the returned resource(s).
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="CloudException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationHeaderResponse<CheckLabelsHeaders>> CheckLabelsWithHttpMessagesAsync(string name = default(string), string after = default(string), string acceptDatetime = default(string), IList<string> select = default(IList<string>), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (Endpoint == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Endpoint");
+            }
+            if (ApiVersion == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.ApiVersion");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("name", name);
+                tracingParameters.Add("after", after);
+                tracingParameters.Add("acceptDatetime", acceptDatetime);
+                tracingParameters.Add("select", select);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "CheckLabels", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = BaseUri;
+            var _url = _baseUrl + (_baseUrl.EndsWith("/") ? "" : "/") + "labels";
+            _url = _url.Replace("{endpoint}", Endpoint);
+            List<string> _queryParameters = new List<string>();
+            if (name != null)
+            {
+                _queryParameters.Add(string.Format("name={0}", System.Uri.EscapeDataString(name)));
+            }
+            if (ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(ApiVersion)));
+            }
+            if (after != null)
+            {
+                _queryParameters.Add(string.Format("After={0}", System.Uri.EscapeDataString(after)));
+            }
+            if (select != null)
+            {
+                _queryParameters.Add(string.Format("$Select={0}", System.Uri.EscapeDataString(string.Join(",", select))));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("HEAD");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (GenerateClientRequestId != null && GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (SyncToken != null)
+            {
+                if (_httpRequest.Headers.Contains("Sync-Token"))
+                {
+                    _httpRequest.Headers.Remove("Sync-Token");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Sync-Token", SyncToken);
+            }
+            if (acceptDatetime != null)
+            {
+                if (_httpRequest.Headers.Contains("Accept-Datetime"))
+                {
+                    _httpRequest.Headers.Remove("Accept-Datetime");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Accept-Datetime", acceptDatetime);
+            }
+            if (AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await HttpClient.SendAsync(_httpRequest, System.Net.Http.HttpCompletionOption.ResponseHeadersRead, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new CloudException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    CloudError _errorBody =  SafeJsonConvert.DeserializeObject<CloudError>(_responseContent, DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex = new CloudException(_errorBody.Message);
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_httpResponse.Headers.Contains("x-ms-request-id"))
+                {
+                    ex.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+                }
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationHeaderResponse<CheckLabelsHeaders>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            try
+            {
+                _result.Headers = _httpResponse.GetHeadersAsJson().ToObject<CheckLabelsHeaders>(JsonSerializer.Create(DeserializationSettings));
+            }
+            catch (JsonException ex)
+            {
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw new SerializationException("Unable to deserialize the headers.", _httpResponse.GetHeadersAsJson().ToString(), ex);
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// Locks a key-value.
+        /// </summary>
+        /// <param name='key'>
+        /// The key of the key-value to lock.
+        /// </param>
+        /// <param name='label'>
+        /// The label, if any, of the key-value to lock.
+        /// </param>
+        /// <param name='ifMatch'>
+        /// Used to perform an operation only if the targeted resource's etag matches
+        /// the value provided.
+        /// </param>
+        /// <param name='ifNoneMatch'>
+        /// Used to perform an operation only if the targeted resource's etag does not
+        /// match the value provided.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<KeyValue,PutLockHeaders>> PutLockWithHttpMessagesAsync(string key, string label = default(string), string ifMatch = default(string), string ifNoneMatch = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (Endpoint == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Endpoint");
+            }
+            if (key == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "key");
+            }
+            if (ApiVersion == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.ApiVersion");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("key", key);
+                tracingParameters.Add("label", label);
+                tracingParameters.Add("ifMatch", ifMatch);
+                tracingParameters.Add("ifNoneMatch", ifNoneMatch);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "PutLock", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = BaseUri;
+            var _url = _baseUrl + (_baseUrl.EndsWith("/") ? "" : "/") + "locks/{key}";
+            _url = _url.Replace("{endpoint}", Endpoint);
+            _url = _url.Replace("{key}", System.Uri.EscapeDataString(key));
+            List<string> _queryParameters = new List<string>();
+            if (label != null)
+            {
+                _queryParameters.Add(string.Format("label={0}", System.Uri.EscapeDataString(label)));
+            }
+            if (ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(ApiVersion)));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("PUT");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (GenerateClientRequestId != null && GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (SyncToken != null)
+            {
+                if (_httpRequest.Headers.Contains("Sync-Token"))
+                {
+                    _httpRequest.Headers.Remove("Sync-Token");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Sync-Token", SyncToken);
+            }
+            if (ifMatch != null)
+            {
+                if (_httpRequest.Headers.Contains("If-Match"))
+                {
+                    _httpRequest.Headers.Remove("If-Match");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("If-Match", ifMatch);
+            }
+            if (ifNoneMatch != null)
+            {
+                if (_httpRequest.Headers.Contains("If-None-Match"))
+                {
+                    _httpRequest.Headers.Remove("If-None-Match");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("If-None-Match", ifNoneMatch);
+            }
+            if (AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new ErrorException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    Error _errorBody =  SafeJsonConvert.DeserializeObject<Error>(_responseContent, DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<KeyValue,PutLockHeaders>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = SafeJsonConvert.DeserializeObject<KeyValue>(_responseContent, DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            try
+            {
+                _result.Headers = _httpResponse.GetHeadersAsJson().ToObject<PutLockHeaders>(JsonSerializer.Create(DeserializationSettings));
+            }
+            catch (JsonException ex)
+            {
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw new SerializationException("Unable to deserialize the headers.", _httpResponse.GetHeadersAsJson().ToString(), ex);
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// Unlocks a key-value.
+        /// </summary>
+        /// <param name='key'>
+        /// The key of the key-value to unlock.
+        /// </param>
+        /// <param name='label'>
+        /// The label, if any, of the key-value to unlock.
+        /// </param>
+        /// <param name='ifMatch'>
+        /// Used to perform an operation only if the targeted resource's etag matches
+        /// the value provided.
+        /// </param>
+        /// <param name='ifNoneMatch'>
+        /// Used to perform an operation only if the targeted resource's etag does not
+        /// match the value provided.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<KeyValue,DeleteLockHeaders>> DeleteLockWithHttpMessagesAsync(string key, string label = default(string), string ifMatch = default(string), string ifNoneMatch = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (Endpoint == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Endpoint");
+            }
+            if (key == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "key");
+            }
+            if (ApiVersion == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.ApiVersion");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("key", key);
+                tracingParameters.Add("label", label);
+                tracingParameters.Add("ifMatch", ifMatch);
+                tracingParameters.Add("ifNoneMatch", ifNoneMatch);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "DeleteLock", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = BaseUri;
+            var _url = _baseUrl + (_baseUrl.EndsWith("/") ? "" : "/") + "locks/{key}";
+            _url = _url.Replace("{endpoint}", Endpoint);
+            _url = _url.Replace("{key}", System.Uri.EscapeDataString(key));
+            List<string> _queryParameters = new List<string>();
+            if (label != null)
+            {
+                _queryParameters.Add(string.Format("label={0}", System.Uri.EscapeDataString(label)));
+            }
+            if (ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(ApiVersion)));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("DELETE");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (GenerateClientRequestId != null && GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (SyncToken != null)
+            {
+                if (_httpRequest.Headers.Contains("Sync-Token"))
+                {
+                    _httpRequest.Headers.Remove("Sync-Token");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Sync-Token", SyncToken);
+            }
+            if (ifMatch != null)
+            {
+                if (_httpRequest.Headers.Contains("If-Match"))
+                {
+                    _httpRequest.Headers.Remove("If-Match");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("If-Match", ifMatch);
+            }
+            if (ifNoneMatch != null)
+            {
+                if (_httpRequest.Headers.Contains("If-None-Match"))
+                {
+                    _httpRequest.Headers.Remove("If-None-Match");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("If-None-Match", ifNoneMatch);
+            }
+            if (AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new ErrorException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    Error _errorBody =  SafeJsonConvert.DeserializeObject<Error>(_responseContent, DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<KeyValue,DeleteLockHeaders>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = SafeJsonConvert.DeserializeObject<KeyValue>(_responseContent, DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            try
+            {
+                _result.Headers = _httpResponse.GetHeadersAsJson().ToObject<DeleteLockHeaders>(JsonSerializer.Create(DeserializationSettings));
+            }
+            catch (JsonException ex)
+            {
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw new SerializationException("Unable to deserialize the headers.", _httpResponse.GetHeadersAsJson().ToString(), ex);
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// Gets a list of key-value revisions.
+        /// </summary>
+        /// <param name='key'>
+        /// A filter used to match keys.
+        /// </param>
+        /// <param name='label'>
+        /// A filter used to match labels
+        /// </param>
+        /// <param name='after'>
+        /// Instructs the server to return elements that appear after the element
+        /// referred to by the specified token.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at the
+        /// specified time.
+        /// </param>
+        /// <param name='select'>
+        /// Used to select what fields are present in the returned resource(s).
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<IPage<KeyValue>,GetRevisionsHeaders>> GetRevisionsWithHttpMessagesAsync(string key = default(string), string label = default(string), string after = default(string), string acceptDatetime = default(string), IList<string> select = default(IList<string>), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (Endpoint == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Endpoint");
+            }
+            if (ApiVersion == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.ApiVersion");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("key", key);
+                tracingParameters.Add("label", label);
+                tracingParameters.Add("after", after);
+                tracingParameters.Add("acceptDatetime", acceptDatetime);
+                tracingParameters.Add("select", select);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "GetRevisions", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = BaseUri;
+            var _url = _baseUrl + (_baseUrl.EndsWith("/") ? "" : "/") + "revisions";
+            _url = _url.Replace("{endpoint}", Endpoint);
+            List<string> _queryParameters = new List<string>();
+            if (key != null)
+            {
+                _queryParameters.Add(string.Format("key={0}", System.Uri.EscapeDataString(key)));
+            }
+            if (label != null)
+            {
+                _queryParameters.Add(string.Format("label={0}", System.Uri.EscapeDataString(label)));
+            }
+            if (ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(ApiVersion)));
+            }
+            if (after != null)
+            {
+                _queryParameters.Add(string.Format("After={0}", System.Uri.EscapeDataString(after)));
+            }
+            if (select != null)
+            {
+                _queryParameters.Add(string.Format("$Select={0}", System.Uri.EscapeDataString(string.Join(",", select))));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("GET");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (GenerateClientRequestId != null && GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (SyncToken != null)
+            {
+                if (_httpRequest.Headers.Contains("Sync-Token"))
+                {
+                    _httpRequest.Headers.Remove("Sync-Token");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Sync-Token", SyncToken);
+            }
+            if (acceptDatetime != null)
+            {
+                if (_httpRequest.Headers.Contains("Accept-Datetime"))
+                {
+                    _httpRequest.Headers.Remove("Accept-Datetime");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Accept-Datetime", acceptDatetime);
+            }
+            if (AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new ErrorException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    Error _errorBody =  SafeJsonConvert.DeserializeObject<Error>(_responseContent, DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<IPage<KeyValue>,GetRevisionsHeaders>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = SafeJsonConvert.DeserializeObject<Page<KeyValue>>(_responseContent, DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            try
+            {
+                _result.Headers = _httpResponse.GetHeadersAsJson().ToObject<GetRevisionsHeaders>(JsonSerializer.Create(DeserializationSettings));
+            }
+            catch (JsonException ex)
+            {
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw new SerializationException("Unable to deserialize the headers.", _httpResponse.GetHeadersAsJson().ToString(), ex);
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// Requests the headers and status of the given resource.
+        /// </summary>
+        /// <param name='key'>
+        /// A filter used to match keys.
+        /// </param>
+        /// <param name='label'>
+        /// A filter used to match labels
+        /// </param>
+        /// <param name='after'>
+        /// Instructs the server to return elements that appear after the element
+        /// referred to by the specified token.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at the
+        /// specified time.
+        /// </param>
+        /// <param name='select'>
+        /// Used to select what fields are present in the returned resource(s).
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="CloudException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationHeaderResponse<CheckRevisionsHeaders>> CheckRevisionsWithHttpMessagesAsync(string key = default(string), string label = default(string), string after = default(string), string acceptDatetime = default(string), IList<string> select = default(IList<string>), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (Endpoint == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Endpoint");
+            }
+            if (ApiVersion == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.ApiVersion");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("key", key);
+                tracingParameters.Add("label", label);
+                tracingParameters.Add("after", after);
+                tracingParameters.Add("acceptDatetime", acceptDatetime);
+                tracingParameters.Add("select", select);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "CheckRevisions", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = BaseUri;
+            var _url = _baseUrl + (_baseUrl.EndsWith("/") ? "" : "/") + "revisions";
+            _url = _url.Replace("{endpoint}", Endpoint);
+            List<string> _queryParameters = new List<string>();
+            if (key != null)
+            {
+                _queryParameters.Add(string.Format("key={0}", System.Uri.EscapeDataString(key)));
+            }
+            if (label != null)
+            {
+                _queryParameters.Add(string.Format("label={0}", System.Uri.EscapeDataString(label)));
+            }
+            if (ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(ApiVersion)));
+            }
+            if (after != null)
+            {
+                _queryParameters.Add(string.Format("After={0}", System.Uri.EscapeDataString(after)));
+            }
+            if (select != null)
+            {
+                _queryParameters.Add(string.Format("$Select={0}", System.Uri.EscapeDataString(string.Join(",", select))));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("HEAD");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (GenerateClientRequestId != null && GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (SyncToken != null)
+            {
+                if (_httpRequest.Headers.Contains("Sync-Token"))
+                {
+                    _httpRequest.Headers.Remove("Sync-Token");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Sync-Token", SyncToken);
+            }
+            if (acceptDatetime != null)
+            {
+                if (_httpRequest.Headers.Contains("Accept-Datetime"))
+                {
+                    _httpRequest.Headers.Remove("Accept-Datetime");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Accept-Datetime", acceptDatetime);
+            }
+            if (AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await HttpClient.SendAsync(_httpRequest, System.Net.Http.HttpCompletionOption.ResponseHeadersRead, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new CloudException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    CloudError _errorBody =  SafeJsonConvert.DeserializeObject<CloudError>(_responseContent, DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex = new CloudException(_errorBody.Message);
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_httpResponse.Headers.Contains("x-ms-request-id"))
+                {
+                    ex.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+                }
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationHeaderResponse<CheckRevisionsHeaders>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            try
+            {
+                _result.Headers = _httpResponse.GetHeadersAsJson().ToObject<CheckRevisionsHeaders>(JsonSerializer.Create(DeserializationSettings));
+            }
+            catch (JsonException ex)
+            {
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw new SerializationException("Unable to deserialize the headers.", _httpResponse.GetHeadersAsJson().ToString(), ex);
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// Gets a list of keys.
+        /// </summary>
+        /// <param name='nextPageLink'>
+        /// The NextLink from the previous successful call to List operation.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at the
+        /// specified time.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<IPage<Key>,GetKeysHeaders>> GetKeysNextWithHttpMessagesAsync(string nextPageLink, string acceptDatetime = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (nextPageLink == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "nextPageLink");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("nextPageLink", nextPageLink);
+                tracingParameters.Add("acceptDatetime", acceptDatetime);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "GetKeysNext", tracingParameters);
+            }
+            // Construct URL
+            string _url = "{nextLink}";
+            _url = _url.Replace("{nextLink}", nextPageLink);
+            List<string> _queryParameters = new List<string>();
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("GET");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (GenerateClientRequestId != null && GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (SyncToken != null)
+            {
+                if (_httpRequest.Headers.Contains("Sync-Token"))
+                {
+                    _httpRequest.Headers.Remove("Sync-Token");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Sync-Token", SyncToken);
+            }
+            if (acceptDatetime != null)
+            {
+                if (_httpRequest.Headers.Contains("Accept-Datetime"))
+                {
+                    _httpRequest.Headers.Remove("Accept-Datetime");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Accept-Datetime", acceptDatetime);
+            }
+            if (AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new ErrorException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    Error _errorBody =  SafeJsonConvert.DeserializeObject<Error>(_responseContent, DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<IPage<Key>,GetKeysHeaders>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = SafeJsonConvert.DeserializeObject<Page<Key>>(_responseContent, DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            try
+            {
+                _result.Headers = _httpResponse.GetHeadersAsJson().ToObject<GetKeysHeaders>(JsonSerializer.Create(DeserializationSettings));
+            }
+            catch (JsonException ex)
+            {
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw new SerializationException("Unable to deserialize the headers.", _httpResponse.GetHeadersAsJson().ToString(), ex);
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// Gets a list of key-values.
+        /// </summary>
+        /// <param name='nextPageLink'>
+        /// The NextLink from the previous successful call to List operation.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at the
+        /// specified time.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<IPage<KeyValue>,GetKeyValuesHeaders>> GetKeyValuesNextWithHttpMessagesAsync(string nextPageLink, string acceptDatetime = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (nextPageLink == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "nextPageLink");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("nextPageLink", nextPageLink);
+                tracingParameters.Add("acceptDatetime", acceptDatetime);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "GetKeyValuesNext", tracingParameters);
+            }
+            // Construct URL
+            string _url = "{nextLink}";
+            _url = _url.Replace("{nextLink}", nextPageLink);
+            List<string> _queryParameters = new List<string>();
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("GET");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (GenerateClientRequestId != null && GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (SyncToken != null)
+            {
+                if (_httpRequest.Headers.Contains("Sync-Token"))
+                {
+                    _httpRequest.Headers.Remove("Sync-Token");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Sync-Token", SyncToken);
+            }
+            if (acceptDatetime != null)
+            {
+                if (_httpRequest.Headers.Contains("Accept-Datetime"))
+                {
+                    _httpRequest.Headers.Remove("Accept-Datetime");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Accept-Datetime", acceptDatetime);
+            }
+            if (AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new ErrorException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    Error _errorBody =  SafeJsonConvert.DeserializeObject<Error>(_responseContent, DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<IPage<KeyValue>,GetKeyValuesHeaders>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = SafeJsonConvert.DeserializeObject<Page<KeyValue>>(_responseContent, DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            try
+            {
+                _result.Headers = _httpResponse.GetHeadersAsJson().ToObject<GetKeyValuesHeaders>(JsonSerializer.Create(DeserializationSettings));
+            }
+            catch (JsonException ex)
+            {
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw new SerializationException("Unable to deserialize the headers.", _httpResponse.GetHeadersAsJson().ToString(), ex);
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// Gets a list of labels.
+        /// </summary>
+        /// <param name='nextPageLink'>
+        /// The NextLink from the previous successful call to List operation.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at the
+        /// specified time.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<IPage<Label>,GetLabelsHeaders>> GetLabelsNextWithHttpMessagesAsync(string nextPageLink, string acceptDatetime = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (nextPageLink == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "nextPageLink");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("nextPageLink", nextPageLink);
+                tracingParameters.Add("acceptDatetime", acceptDatetime);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "GetLabelsNext", tracingParameters);
+            }
+            // Construct URL
+            string _url = "{nextLink}";
+            _url = _url.Replace("{nextLink}", nextPageLink);
+            List<string> _queryParameters = new List<string>();
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("GET");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (GenerateClientRequestId != null && GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (SyncToken != null)
+            {
+                if (_httpRequest.Headers.Contains("Sync-Token"))
+                {
+                    _httpRequest.Headers.Remove("Sync-Token");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Sync-Token", SyncToken);
+            }
+            if (acceptDatetime != null)
+            {
+                if (_httpRequest.Headers.Contains("Accept-Datetime"))
+                {
+                    _httpRequest.Headers.Remove("Accept-Datetime");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Accept-Datetime", acceptDatetime);
+            }
+            if (AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new ErrorException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    Error _errorBody =  SafeJsonConvert.DeserializeObject<Error>(_responseContent, DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<IPage<Label>,GetLabelsHeaders>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = SafeJsonConvert.DeserializeObject<Page<Label>>(_responseContent, DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            try
+            {
+                _result.Headers = _httpResponse.GetHeadersAsJson().ToObject<GetLabelsHeaders>(JsonSerializer.Create(DeserializationSettings));
+            }
+            catch (JsonException ex)
+            {
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw new SerializationException("Unable to deserialize the headers.", _httpResponse.GetHeadersAsJson().ToString(), ex);
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// Gets a list of key-value revisions.
+        /// </summary>
+        /// <param name='nextPageLink'>
+        /// The NextLink from the previous successful call to List operation.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at the
+        /// specified time.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<IPage<KeyValue>,GetRevisionsHeaders>> GetRevisionsNextWithHttpMessagesAsync(string nextPageLink, string acceptDatetime = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (nextPageLink == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "nextPageLink");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("nextPageLink", nextPageLink);
+                tracingParameters.Add("acceptDatetime", acceptDatetime);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "GetRevisionsNext", tracingParameters);
+            }
+            // Construct URL
+            string _url = "{nextLink}";
+            _url = _url.Replace("{nextLink}", nextPageLink);
+            List<string> _queryParameters = new List<string>();
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("GET");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (GenerateClientRequestId != null && GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (SyncToken != null)
+            {
+                if (_httpRequest.Headers.Contains("Sync-Token"))
+                {
+                    _httpRequest.Headers.Remove("Sync-Token");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Sync-Token", SyncToken);
+            }
+            if (acceptDatetime != null)
+            {
+                if (_httpRequest.Headers.Contains("Accept-Datetime"))
+                {
+                    _httpRequest.Headers.Remove("Accept-Datetime");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("Accept-Datetime", acceptDatetime);
+            }
+            if (AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new ErrorException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    Error _errorBody =  SafeJsonConvert.DeserializeObject<Error>(_responseContent, DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<IPage<KeyValue>,GetRevisionsHeaders>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = SafeJsonConvert.DeserializeObject<Page<KeyValue>>(_responseContent, DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            try
+            {
+                _result.Headers = _httpResponse.GetHeadersAsJson().ToObject<GetRevisionsHeaders>(JsonSerializer.Create(DeserializationSettings));
+            }
+            catch (JsonException ex)
+            {
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw new SerializationException("Unable to deserialize the headers.", _httpResponse.GetHeadersAsJson().ToString(), ex);
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+    }
+}
diff --git a/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/AzureAppConfigurationClientExtensions.cs b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/AzureAppConfigurationClientExtensions.cs
new file mode 100644
index 000000000000..cc1b16170e12
--- /dev/null
+++ b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/AzureAppConfigurationClientExtensions.cs
@@ -0,0 +1,576 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.AppConfiguration
+{
+    using Microsoft.Rest;
+    using Microsoft.Rest.Azure;
+    using Models;
+    using System.Collections;
+    using System.Collections.Generic;
+    using System.Threading;
+    using System.Threading.Tasks;
+
+    /// <summary>
+    /// Extension methods for AzureAppConfigurationClient.
+    /// </summary>
+    public static partial class AzureAppConfigurationClientExtensions
+    {
+            /// <summary>
+            /// Gets a list of keys.
+            /// </summary>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='name'>
+            /// A filter for the name of the returned keys.
+            /// </param>
+            /// <param name='after'>
+            /// Instructs the server to return elements that appear after the element
+            /// referred to by the specified token.
+            /// </param>
+            /// <param name='acceptDatetime'>
+            /// Requests the server to respond with the state of the resource at the
+            /// specified time.
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<IPage<Key>> GetKeysAsync(this IAzureAppConfigurationClient operations, string name = default(string), string after = default(string), string acceptDatetime = default(string), CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.GetKeysWithHttpMessagesAsync(name, after, acceptDatetime, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+            /// <summary>
+            /// Requests the headers and status of the given resource.
+            /// </summary>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='name'>
+            /// A filter for the name of the returned keys.
+            /// </param>
+            /// <param name='after'>
+            /// Instructs the server to return elements that appear after the element
+            /// referred to by the specified token.
+            /// </param>
+            /// <param name='acceptDatetime'>
+            /// Requests the server to respond with the state of the resource at the
+            /// specified time.
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<CheckKeysHeaders> CheckKeysAsync(this IAzureAppConfigurationClient operations, string name = default(string), string after = default(string), string acceptDatetime = default(string), CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.CheckKeysWithHttpMessagesAsync(name, after, acceptDatetime, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Headers;
+                }
+            }
+
+            /// <summary>
+            /// Gets a list of key-values.
+            /// </summary>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='key'>
+            /// A filter used to match keys.
+            /// </param>
+            /// <param name='label'>
+            /// A filter used to match labels
+            /// </param>
+            /// <param name='after'>
+            /// Instructs the server to return elements that appear after the element
+            /// referred to by the specified token.
+            /// </param>
+            /// <param name='acceptDatetime'>
+            /// Requests the server to respond with the state of the resource at the
+            /// specified time.
+            /// </param>
+            /// <param name='select'>
+            /// Used to select what fields are present in the returned resource(s).
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<IPage<KeyValue>> GetKeyValuesAsync(this IAzureAppConfigurationClient operations, string key = default(string), string label = default(string), string after = default(string), string acceptDatetime = default(string), IList<string> select = default(IList<string>), CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.GetKeyValuesWithHttpMessagesAsync(key, label, after, acceptDatetime, select, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+            /// <summary>
+            /// Requests the headers and status of the given resource.
+            /// </summary>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='key'>
+            /// A filter used to match keys.
+            /// </param>
+            /// <param name='label'>
+            /// A filter used to match labels
+            /// </param>
+            /// <param name='after'>
+            /// Instructs the server to return elements that appear after the element
+            /// referred to by the specified token.
+            /// </param>
+            /// <param name='acceptDatetime'>
+            /// Requests the server to respond with the state of the resource at the
+            /// specified time.
+            /// </param>
+            /// <param name='select'>
+            /// Used to select what fields are present in the returned resource(s).
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<CheckKeyValuesHeaders> CheckKeyValuesAsync(this IAzureAppConfigurationClient operations, string key = default(string), string label = default(string), string after = default(string), string acceptDatetime = default(string), IList<string> select = default(IList<string>), CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.CheckKeyValuesWithHttpMessagesAsync(key, label, after, acceptDatetime, select, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Headers;
+                }
+            }
+
+            /// <summary>
+            /// Gets a single key-value.
+            /// </summary>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='key'>
+            /// The key of the key-value to retrieve.
+            /// </param>
+            /// <param name='label'>
+            /// The label of the key-value to retrieve.
+            /// </param>
+            /// <param name='acceptDatetime'>
+            /// Requests the server to respond with the state of the resource at the
+            /// specified time.
+            /// </param>
+            /// <param name='ifMatch'>
+            /// Used to perform an operation only if the targeted resource's etag matches
+            /// the value provided.
+            /// </param>
+            /// <param name='ifNoneMatch'>
+            /// Used to perform an operation only if the targeted resource's etag does not
+            /// match the value provided.
+            /// </param>
+            /// <param name='select'>
+            /// Used to select what fields are present in the returned resource(s).
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<KeyValue> GetKeyValueAsync(this IAzureAppConfigurationClient operations, string key, string label = default(string), string acceptDatetime = default(string), string ifMatch = default(string), string ifNoneMatch = default(string), IList<string> select = default(IList<string>), CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.GetKeyValueWithHttpMessagesAsync(key, label, acceptDatetime, ifMatch, ifNoneMatch, select, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+            /// <summary>
+            /// Creates a key-value.
+            /// </summary>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='key'>
+            /// The key of the key-value to create.
+            /// </param>
+            /// <param name='label'>
+            /// The label of the key-value to create.
+            /// </param>
+            /// <param name='entity'>
+            /// The key-value to create.
+            /// </param>
+            /// <param name='ifMatch'>
+            /// Used to perform an operation only if the targeted resource's etag matches
+            /// the value provided.
+            /// </param>
+            /// <param name='ifNoneMatch'>
+            /// Used to perform an operation only if the targeted resource's etag does not
+            /// match the value provided.
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<KeyValue> PutKeyValueAsync(this IAzureAppConfigurationClient operations, string key, string label = default(string), KeyValue entity = default(KeyValue), string ifMatch = default(string), string ifNoneMatch = default(string), CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.PutKeyValueWithHttpMessagesAsync(key, label, entity, ifMatch, ifNoneMatch, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+            /// <summary>
+            /// Deletes a key-value.
+            /// </summary>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='key'>
+            /// The key of the key-value to delete.
+            /// </param>
+            /// <param name='label'>
+            /// The label of the key-value to delete.
+            /// </param>
+            /// <param name='ifMatch'>
+            /// Used to perform an operation only if the targeted resource's etag matches
+            /// the value provided.
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<KeyValue> DeleteKeyValueAsync(this IAzureAppConfigurationClient operations, string key, string label = default(string), string ifMatch = default(string), CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.DeleteKeyValueWithHttpMessagesAsync(key, label, ifMatch, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+            /// <summary>
+            /// Requests the headers and status of the given resource.
+            /// </summary>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='key'>
+            /// The key of the key-value to retrieve.
+            /// </param>
+            /// <param name='label'>
+            /// The label of the key-value to retrieve.
+            /// </param>
+            /// <param name='acceptDatetime'>
+            /// Requests the server to respond with the state of the resource at the
+            /// specified time.
+            /// </param>
+            /// <param name='ifMatch'>
+            /// Used to perform an operation only if the targeted resource's etag matches
+            /// the value provided.
+            /// </param>
+            /// <param name='ifNoneMatch'>
+            /// Used to perform an operation only if the targeted resource's etag does not
+            /// match the value provided.
+            /// </param>
+            /// <param name='select'>
+            /// Used to select what fields are present in the returned resource(s).
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<CheckKeyValueHeaders> CheckKeyValueAsync(this IAzureAppConfigurationClient operations, string key, string label = default(string), string acceptDatetime = default(string), string ifMatch = default(string), string ifNoneMatch = default(string), IList<string> select = default(IList<string>), CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.CheckKeyValueWithHttpMessagesAsync(key, label, acceptDatetime, ifMatch, ifNoneMatch, select, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Headers;
+                }
+            }
+
+            /// <summary>
+            /// Gets a list of labels.
+            /// </summary>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='name'>
+            /// A filter for the name of the returned labels.
+            /// </param>
+            /// <param name='after'>
+            /// Instructs the server to return elements that appear after the element
+            /// referred to by the specified token.
+            /// </param>
+            /// <param name='acceptDatetime'>
+            /// Requests the server to respond with the state of the resource at the
+            /// specified time.
+            /// </param>
+            /// <param name='select'>
+            /// Used to select what fields are present in the returned resource(s).
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<IPage<Label>> GetLabelsAsync(this IAzureAppConfigurationClient operations, string name = default(string), string after = default(string), string acceptDatetime = default(string), IList<string> select = default(IList<string>), CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.GetLabelsWithHttpMessagesAsync(name, after, acceptDatetime, select, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+            /// <summary>
+            /// Requests the headers and status of the given resource.
+            /// </summary>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='name'>
+            /// A filter for the name of the returned labels.
+            /// </param>
+            /// <param name='after'>
+            /// Instructs the server to return elements that appear after the element
+            /// referred to by the specified token.
+            /// </param>
+            /// <param name='acceptDatetime'>
+            /// Requests the server to respond with the state of the resource at the
+            /// specified time.
+            /// </param>
+            /// <param name='select'>
+            /// Used to select what fields are present in the returned resource(s).
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<CheckLabelsHeaders> CheckLabelsAsync(this IAzureAppConfigurationClient operations, string name = default(string), string after = default(string), string acceptDatetime = default(string), IList<string> select = default(IList<string>), CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.CheckLabelsWithHttpMessagesAsync(name, after, acceptDatetime, select, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Headers;
+                }
+            }
+
+            /// <summary>
+            /// Locks a key-value.
+            /// </summary>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='key'>
+            /// The key of the key-value to lock.
+            /// </param>
+            /// <param name='label'>
+            /// The label, if any, of the key-value to lock.
+            /// </param>
+            /// <param name='ifMatch'>
+            /// Used to perform an operation only if the targeted resource's etag matches
+            /// the value provided.
+            /// </param>
+            /// <param name='ifNoneMatch'>
+            /// Used to perform an operation only if the targeted resource's etag does not
+            /// match the value provided.
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<KeyValue> PutLockAsync(this IAzureAppConfigurationClient operations, string key, string label = default(string), string ifMatch = default(string), string ifNoneMatch = default(string), CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.PutLockWithHttpMessagesAsync(key, label, ifMatch, ifNoneMatch, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+            /// <summary>
+            /// Unlocks a key-value.
+            /// </summary>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='key'>
+            /// The key of the key-value to unlock.
+            /// </param>
+            /// <param name='label'>
+            /// The label, if any, of the key-value to unlock.
+            /// </param>
+            /// <param name='ifMatch'>
+            /// Used to perform an operation only if the targeted resource's etag matches
+            /// the value provided.
+            /// </param>
+            /// <param name='ifNoneMatch'>
+            /// Used to perform an operation only if the targeted resource's etag does not
+            /// match the value provided.
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<KeyValue> DeleteLockAsync(this IAzureAppConfigurationClient operations, string key, string label = default(string), string ifMatch = default(string), string ifNoneMatch = default(string), CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.DeleteLockWithHttpMessagesAsync(key, label, ifMatch, ifNoneMatch, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+            /// <summary>
+            /// Gets a list of key-value revisions.
+            /// </summary>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='key'>
+            /// A filter used to match keys.
+            /// </param>
+            /// <param name='label'>
+            /// A filter used to match labels
+            /// </param>
+            /// <param name='after'>
+            /// Instructs the server to return elements that appear after the element
+            /// referred to by the specified token.
+            /// </param>
+            /// <param name='acceptDatetime'>
+            /// Requests the server to respond with the state of the resource at the
+            /// specified time.
+            /// </param>
+            /// <param name='select'>
+            /// Used to select what fields are present in the returned resource(s).
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<IPage<KeyValue>> GetRevisionsAsync(this IAzureAppConfigurationClient operations, string key = default(string), string label = default(string), string after = default(string), string acceptDatetime = default(string), IList<string> select = default(IList<string>), CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.GetRevisionsWithHttpMessagesAsync(key, label, after, acceptDatetime, select, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+            /// <summary>
+            /// Requests the headers and status of the given resource.
+            /// </summary>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='key'>
+            /// A filter used to match keys.
+            /// </param>
+            /// <param name='label'>
+            /// A filter used to match labels
+            /// </param>
+            /// <param name='after'>
+            /// Instructs the server to return elements that appear after the element
+            /// referred to by the specified token.
+            /// </param>
+            /// <param name='acceptDatetime'>
+            /// Requests the server to respond with the state of the resource at the
+            /// specified time.
+            /// </param>
+            /// <param name='select'>
+            /// Used to select what fields are present in the returned resource(s).
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<CheckRevisionsHeaders> CheckRevisionsAsync(this IAzureAppConfigurationClient operations, string key = default(string), string label = default(string), string after = default(string), string acceptDatetime = default(string), IList<string> select = default(IList<string>), CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.CheckRevisionsWithHttpMessagesAsync(key, label, after, acceptDatetime, select, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Headers;
+                }
+            }
+
+            /// <summary>
+            /// Gets a list of keys.
+            /// </summary>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='nextPageLink'>
+            /// The NextLink from the previous successful call to List operation.
+            /// </param>
+            /// <param name='acceptDatetime'>
+            /// Requests the server to respond with the state of the resource at the
+            /// specified time.
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<IPage<Key>> GetKeysNextAsync(this IAzureAppConfigurationClient operations, string nextPageLink, string acceptDatetime = default(string), CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.GetKeysNextWithHttpMessagesAsync(nextPageLink, acceptDatetime, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+            /// <summary>
+            /// Gets a list of key-values.
+            /// </summary>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='nextPageLink'>
+            /// The NextLink from the previous successful call to List operation.
+            /// </param>
+            /// <param name='acceptDatetime'>
+            /// Requests the server to respond with the state of the resource at the
+            /// specified time.
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<IPage<KeyValue>> GetKeyValuesNextAsync(this IAzureAppConfigurationClient operations, string nextPageLink, string acceptDatetime = default(string), CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.GetKeyValuesNextWithHttpMessagesAsync(nextPageLink, acceptDatetime, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+            /// <summary>
+            /// Gets a list of labels.
+            /// </summary>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='nextPageLink'>
+            /// The NextLink from the previous successful call to List operation.
+            /// </param>
+            /// <param name='acceptDatetime'>
+            /// Requests the server to respond with the state of the resource at the
+            /// specified time.
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<IPage<Label>> GetLabelsNextAsync(this IAzureAppConfigurationClient operations, string nextPageLink, string acceptDatetime = default(string), CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.GetLabelsNextWithHttpMessagesAsync(nextPageLink, acceptDatetime, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+            /// <summary>
+            /// Gets a list of key-value revisions.
+            /// </summary>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='nextPageLink'>
+            /// The NextLink from the previous successful call to List operation.
+            /// </param>
+            /// <param name='acceptDatetime'>
+            /// Requests the server to respond with the state of the resource at the
+            /// specified time.
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<IPage<KeyValue>> GetRevisionsNextAsync(this IAzureAppConfigurationClient operations, string nextPageLink, string acceptDatetime = default(string), CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.GetRevisionsNextWithHttpMessagesAsync(nextPageLink, acceptDatetime, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+    }
+}
diff --git a/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/IAzureAppConfigurationClient.cs b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/IAzureAppConfigurationClient.cs
new file mode 100644
index 000000000000..6719d1e35ff9
--- /dev/null
+++ b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/IAzureAppConfigurationClient.cs
@@ -0,0 +1,521 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.AppConfiguration
+{
+    using Microsoft.Rest;
+    using Microsoft.Rest.Azure;
+    using Models;
+    using Newtonsoft.Json;
+    using System.Collections;
+    using System.Collections.Generic;
+    using System.Threading;
+    using System.Threading.Tasks;
+
+    /// <summary>
+    /// </summary>
+    public partial interface IAzureAppConfigurationClient : System.IDisposable
+    {
+        /// <summary>
+        /// The base URI of the service.
+        /// </summary>
+
+        /// <summary>
+        /// Gets or sets json serialization settings.
+        /// </summary>
+        JsonSerializerSettings SerializationSettings { get; }
+
+        /// <summary>
+        /// Gets or sets json deserialization settings.
+        /// </summary>
+        JsonSerializerSettings DeserializationSettings { get; }
+
+        /// <summary>
+        /// Credentials needed for the client to connect to Azure.
+        /// </summary>
+        ServiceClientCredentials Credentials { get; }
+
+        /// <summary>
+        /// Used to guarantee real-time consistency between requests.
+        /// </summary>
+        string SyncToken { get; set; }
+
+        /// <summary>
+        /// The API version to be used with the HTTP request.
+        /// </summary>
+        string ApiVersion { get; }
+
+        /// <summary>
+        /// The endpoint of the App Configuration instance to send requests to.
+        /// </summary>
+        string Endpoint { get; set; }
+
+        /// <summary>
+        /// The preferred language for the response.
+        /// </summary>
+        string AcceptLanguage { get; set; }
+
+        /// <summary>
+        /// The retry timeout in seconds for Long Running Operations. Default
+        /// value is 30.
+        /// </summary>
+        int? LongRunningOperationRetryTimeout { get; set; }
+
+        /// <summary>
+        /// Whether a unique x-ms-client-request-id should be generated. When
+        /// set to true a unique x-ms-client-request-id value is generated and
+        /// included in each request. Default is true.
+        /// </summary>
+        bool? GenerateClientRequestId { get; set; }
+
+
+        /// <summary>
+        /// Gets a list of keys.
+        /// </summary>
+        /// <param name='name'>
+        /// A filter for the name of the returned keys.
+        /// </param>
+        /// <param name='after'>
+        /// Instructs the server to return elements that appear after the
+        /// element referred to by the specified token.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at
+        /// the specified time.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        Task<AzureOperationResponse<IPage<Key>,GetKeysHeaders>> GetKeysWithHttpMessagesAsync(string name = default(string), string after = default(string), string acceptDatetime = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+
+        /// <summary>
+        /// Requests the headers and status of the given resource.
+        /// </summary>
+        /// <param name='name'>
+        /// A filter for the name of the returned keys.
+        /// </param>
+        /// <param name='after'>
+        /// Instructs the server to return elements that appear after the
+        /// element referred to by the specified token.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at
+        /// the specified time.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        Task<AzureOperationHeaderResponse<CheckKeysHeaders>> CheckKeysWithHttpMessagesAsync(string name = default(string), string after = default(string), string acceptDatetime = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+
+        /// <summary>
+        /// Gets a list of key-values.
+        /// </summary>
+        /// <param name='key'>
+        /// A filter used to match keys.
+        /// </param>
+        /// <param name='label'>
+        /// A filter used to match labels
+        /// </param>
+        /// <param name='after'>
+        /// Instructs the server to return elements that appear after the
+        /// element referred to by the specified token.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at
+        /// the specified time.
+        /// </param>
+        /// <param name='select'>
+        /// Used to select what fields are present in the returned resource(s).
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        Task<AzureOperationResponse<IPage<KeyValue>,GetKeyValuesHeaders>> GetKeyValuesWithHttpMessagesAsync(string key = default(string), string label = default(string), string after = default(string), string acceptDatetime = default(string), IList<string> select = default(IList<string>), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+
+        /// <summary>
+        /// Requests the headers and status of the given resource.
+        /// </summary>
+        /// <param name='key'>
+        /// A filter used to match keys.
+        /// </param>
+        /// <param name='label'>
+        /// A filter used to match labels
+        /// </param>
+        /// <param name='after'>
+        /// Instructs the server to return elements that appear after the
+        /// element referred to by the specified token.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at
+        /// the specified time.
+        /// </param>
+        /// <param name='select'>
+        /// Used to select what fields are present in the returned resource(s).
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        Task<AzureOperationHeaderResponse<CheckKeyValuesHeaders>> CheckKeyValuesWithHttpMessagesAsync(string key = default(string), string label = default(string), string after = default(string), string acceptDatetime = default(string), IList<string> select = default(IList<string>), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+
+        /// <summary>
+        /// Gets a single key-value.
+        /// </summary>
+        /// <param name='key'>
+        /// The key of the key-value to retrieve.
+        /// </param>
+        /// <param name='label'>
+        /// The label of the key-value to retrieve.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at
+        /// the specified time.
+        /// </param>
+        /// <param name='ifMatch'>
+        /// Used to perform an operation only if the targeted resource's etag
+        /// matches the value provided.
+        /// </param>
+        /// <param name='ifNoneMatch'>
+        /// Used to perform an operation only if the targeted resource's etag
+        /// does not match the value provided.
+        /// </param>
+        /// <param name='select'>
+        /// Used to select what fields are present in the returned resource(s).
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        Task<AzureOperationResponse<KeyValue,GetKeyValueHeaders>> GetKeyValueWithHttpMessagesAsync(string key, string label = default(string), string acceptDatetime = default(string), string ifMatch = default(string), string ifNoneMatch = default(string), IList<string> select = default(IList<string>), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+
+        /// <summary>
+        /// Creates a key-value.
+        /// </summary>
+        /// <param name='key'>
+        /// The key of the key-value to create.
+        /// </param>
+        /// <param name='label'>
+        /// The label of the key-value to create.
+        /// </param>
+        /// <param name='entity'>
+        /// The key-value to create.
+        /// </param>
+        /// <param name='ifMatch'>
+        /// Used to perform an operation only if the targeted resource's etag
+        /// matches the value provided.
+        /// </param>
+        /// <param name='ifNoneMatch'>
+        /// Used to perform an operation only if the targeted resource's etag
+        /// does not match the value provided.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        Task<AzureOperationResponse<KeyValue,PutKeyValueHeaders>> PutKeyValueWithHttpMessagesAsync(string key, string label = default(string), KeyValue entity = default(KeyValue), string ifMatch = default(string), string ifNoneMatch = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+
+        /// <summary>
+        /// Deletes a key-value.
+        /// </summary>
+        /// <param name='key'>
+        /// The key of the key-value to delete.
+        /// </param>
+        /// <param name='label'>
+        /// The label of the key-value to delete.
+        /// </param>
+        /// <param name='ifMatch'>
+        /// Used to perform an operation only if the targeted resource's etag
+        /// matches the value provided.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        Task<AzureOperationResponse<KeyValue,DeleteKeyValueHeaders>> DeleteKeyValueWithHttpMessagesAsync(string key, string label = default(string), string ifMatch = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+
+        /// <summary>
+        /// Requests the headers and status of the given resource.
+        /// </summary>
+        /// <param name='key'>
+        /// The key of the key-value to retrieve.
+        /// </param>
+        /// <param name='label'>
+        /// The label of the key-value to retrieve.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at
+        /// the specified time.
+        /// </param>
+        /// <param name='ifMatch'>
+        /// Used to perform an operation only if the targeted resource's etag
+        /// matches the value provided.
+        /// </param>
+        /// <param name='ifNoneMatch'>
+        /// Used to perform an operation only if the targeted resource's etag
+        /// does not match the value provided.
+        /// </param>
+        /// <param name='select'>
+        /// Used to select what fields are present in the returned resource(s).
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        Task<AzureOperationHeaderResponse<CheckKeyValueHeaders>> CheckKeyValueWithHttpMessagesAsync(string key, string label = default(string), string acceptDatetime = default(string), string ifMatch = default(string), string ifNoneMatch = default(string), IList<string> select = default(IList<string>), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+
+        /// <summary>
+        /// Gets a list of labels.
+        /// </summary>
+        /// <param name='name'>
+        /// A filter for the name of the returned labels.
+        /// </param>
+        /// <param name='after'>
+        /// Instructs the server to return elements that appear after the
+        /// element referred to by the specified token.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at
+        /// the specified time.
+        /// </param>
+        /// <param name='select'>
+        /// Used to select what fields are present in the returned resource(s).
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        Task<AzureOperationResponse<IPage<Label>,GetLabelsHeaders>> GetLabelsWithHttpMessagesAsync(string name = default(string), string after = default(string), string acceptDatetime = default(string), IList<string> select = default(IList<string>), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+
+        /// <summary>
+        /// Requests the headers and status of the given resource.
+        /// </summary>
+        /// <param name='name'>
+        /// A filter for the name of the returned labels.
+        /// </param>
+        /// <param name='after'>
+        /// Instructs the server to return elements that appear after the
+        /// element referred to by the specified token.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at
+        /// the specified time.
+        /// </param>
+        /// <param name='select'>
+        /// Used to select what fields are present in the returned resource(s).
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        Task<AzureOperationHeaderResponse<CheckLabelsHeaders>> CheckLabelsWithHttpMessagesAsync(string name = default(string), string after = default(string), string acceptDatetime = default(string), IList<string> select = default(IList<string>), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+
+        /// <summary>
+        /// Locks a key-value.
+        /// </summary>
+        /// <param name='key'>
+        /// The key of the key-value to lock.
+        /// </param>
+        /// <param name='label'>
+        /// The label, if any, of the key-value to lock.
+        /// </param>
+        /// <param name='ifMatch'>
+        /// Used to perform an operation only if the targeted resource's etag
+        /// matches the value provided.
+        /// </param>
+        /// <param name='ifNoneMatch'>
+        /// Used to perform an operation only if the targeted resource's etag
+        /// does not match the value provided.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        Task<AzureOperationResponse<KeyValue,PutLockHeaders>> PutLockWithHttpMessagesAsync(string key, string label = default(string), string ifMatch = default(string), string ifNoneMatch = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+
+        /// <summary>
+        /// Unlocks a key-value.
+        /// </summary>
+        /// <param name='key'>
+        /// The key of the key-value to unlock.
+        /// </param>
+        /// <param name='label'>
+        /// The label, if any, of the key-value to unlock.
+        /// </param>
+        /// <param name='ifMatch'>
+        /// Used to perform an operation only if the targeted resource's etag
+        /// matches the value provided.
+        /// </param>
+        /// <param name='ifNoneMatch'>
+        /// Used to perform an operation only if the targeted resource's etag
+        /// does not match the value provided.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        Task<AzureOperationResponse<KeyValue,DeleteLockHeaders>> DeleteLockWithHttpMessagesAsync(string key, string label = default(string), string ifMatch = default(string), string ifNoneMatch = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+
+        /// <summary>
+        /// Gets a list of key-value revisions.
+        /// </summary>
+        /// <param name='key'>
+        /// A filter used to match keys.
+        /// </param>
+        /// <param name='label'>
+        /// A filter used to match labels
+        /// </param>
+        /// <param name='after'>
+        /// Instructs the server to return elements that appear after the
+        /// element referred to by the specified token.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at
+        /// the specified time.
+        /// </param>
+        /// <param name='select'>
+        /// Used to select what fields are present in the returned resource(s).
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        Task<AzureOperationResponse<IPage<KeyValue>,GetRevisionsHeaders>> GetRevisionsWithHttpMessagesAsync(string key = default(string), string label = default(string), string after = default(string), string acceptDatetime = default(string), IList<string> select = default(IList<string>), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+
+        /// <summary>
+        /// Requests the headers and status of the given resource.
+        /// </summary>
+        /// <param name='key'>
+        /// A filter used to match keys.
+        /// </param>
+        /// <param name='label'>
+        /// A filter used to match labels
+        /// </param>
+        /// <param name='after'>
+        /// Instructs the server to return elements that appear after the
+        /// element referred to by the specified token.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at
+        /// the specified time.
+        /// </param>
+        /// <param name='select'>
+        /// Used to select what fields are present in the returned resource(s).
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        Task<AzureOperationHeaderResponse<CheckRevisionsHeaders>> CheckRevisionsWithHttpMessagesAsync(string key = default(string), string label = default(string), string after = default(string), string acceptDatetime = default(string), IList<string> select = default(IList<string>), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+
+        /// <summary>
+        /// Gets a list of keys.
+        /// </summary>
+        /// <param name='nextPageLink'>
+        /// The NextLink from the previous successful call to List operation.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at
+        /// the specified time.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        Task<AzureOperationResponse<IPage<Key>,GetKeysHeaders>> GetKeysNextWithHttpMessagesAsync(string nextPageLink, string acceptDatetime = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+
+        /// <summary>
+        /// Gets a list of key-values.
+        /// </summary>
+        /// <param name='nextPageLink'>
+        /// The NextLink from the previous successful call to List operation.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at
+        /// the specified time.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        Task<AzureOperationResponse<IPage<KeyValue>,GetKeyValuesHeaders>> GetKeyValuesNextWithHttpMessagesAsync(string nextPageLink, string acceptDatetime = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+
+        /// <summary>
+        /// Gets a list of labels.
+        /// </summary>
+        /// <param name='nextPageLink'>
+        /// The NextLink from the previous successful call to List operation.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at
+        /// the specified time.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        Task<AzureOperationResponse<IPage<Label>,GetLabelsHeaders>> GetLabelsNextWithHttpMessagesAsync(string nextPageLink, string acceptDatetime = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+
+        /// <summary>
+        /// Gets a list of key-value revisions.
+        /// </summary>
+        /// <param name='nextPageLink'>
+        /// The NextLink from the previous successful call to List operation.
+        /// </param>
+        /// <param name='acceptDatetime'>
+        /// Requests the server to respond with the state of the resource at
+        /// the specified time.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        Task<AzureOperationResponse<IPage<KeyValue>,GetRevisionsHeaders>> GetRevisionsNextWithHttpMessagesAsync(string nextPageLink, string acceptDatetime = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+
+    }
+}
diff --git a/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/CheckKeyValueHeaders.cs b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/CheckKeyValueHeaders.cs
new file mode 100644
index 000000000000..f5d38f290687
--- /dev/null
+++ b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/CheckKeyValueHeaders.cs
@@ -0,0 +1,75 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.AppConfiguration.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// Defines headers for CheckKeyValue operation.
+    /// </summary>
+    public partial class CheckKeyValueHeaders
+    {
+        /// <summary>
+        /// Initializes a new instance of the CheckKeyValueHeaders class.
+        /// </summary>
+        public CheckKeyValueHeaders()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the CheckKeyValueHeaders class.
+        /// </summary>
+        /// <param name="syncToken">Enables real-time consistency between
+        /// requests by providing the returned value in the next request made
+        /// to the server.</param>
+        /// <param name="eTag">An identifier representing the returned state of
+        /// the resource.</param>
+        /// <param name="lastModified">A UTC datetime that specifies the last
+        /// time the resource was modified.</param>
+        public CheckKeyValueHeaders(string syncToken = default(string), string eTag = default(string), string lastModified = default(string))
+        {
+            SyncToken = syncToken;
+            ETag = eTag;
+            LastModified = lastModified;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets enables real-time consistency between requests by
+        /// providing the returned value in the next request made to the
+        /// server.
+        /// </summary>
+        [JsonProperty(PropertyName = "Sync-Token")]
+        public string SyncToken { get; set; }
+
+        /// <summary>
+        /// Gets or sets an identifier representing the returned state of the
+        /// resource.
+        /// </summary>
+        [JsonProperty(PropertyName = "ETag")]
+        public string ETag { get; set; }
+
+        /// <summary>
+        /// Gets or sets a UTC datetime that specifies the last time the
+        /// resource was modified.
+        /// </summary>
+        [JsonProperty(PropertyName = "Last-Modified")]
+        public string LastModified { get; set; }
+
+    }
+}
diff --git a/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/CheckKeyValuesHeaders.cs b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/CheckKeyValuesHeaders.cs
new file mode 100644
index 000000000000..b27f744a4658
--- /dev/null
+++ b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/CheckKeyValuesHeaders.cs
@@ -0,0 +1,55 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.AppConfiguration.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// Defines headers for CheckKeyValues operation.
+    /// </summary>
+    public partial class CheckKeyValuesHeaders
+    {
+        /// <summary>
+        /// Initializes a new instance of the CheckKeyValuesHeaders class.
+        /// </summary>
+        public CheckKeyValuesHeaders()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the CheckKeyValuesHeaders class.
+        /// </summary>
+        /// <param name="syncToken">Enables real-time consistency between
+        /// requests by providing the returned value in the next request made
+        /// to the server.</param>
+        public CheckKeyValuesHeaders(string syncToken = default(string))
+        {
+            SyncToken = syncToken;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets enables real-time consistency between requests by
+        /// providing the returned value in the next request made to the
+        /// server.
+        /// </summary>
+        [JsonProperty(PropertyName = "Sync-Token")]
+        public string SyncToken { get; set; }
+
+    }
+}
diff --git a/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/CheckKeysHeaders.cs b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/CheckKeysHeaders.cs
new file mode 100644
index 000000000000..16f47f8e24eb
--- /dev/null
+++ b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/CheckKeysHeaders.cs
@@ -0,0 +1,55 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.AppConfiguration.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// Defines headers for CheckKeys operation.
+    /// </summary>
+    public partial class CheckKeysHeaders
+    {
+        /// <summary>
+        /// Initializes a new instance of the CheckKeysHeaders class.
+        /// </summary>
+        public CheckKeysHeaders()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the CheckKeysHeaders class.
+        /// </summary>
+        /// <param name="syncToken">Enables real-time consistency between
+        /// requests by providing the returned value in the next request made
+        /// to the server.</param>
+        public CheckKeysHeaders(string syncToken = default(string))
+        {
+            SyncToken = syncToken;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets enables real-time consistency between requests by
+        /// providing the returned value in the next request made to the
+        /// server.
+        /// </summary>
+        [JsonProperty(PropertyName = "Sync-Token")]
+        public string SyncToken { get; set; }
+
+    }
+}
diff --git a/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/CheckLabelsHeaders.cs b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/CheckLabelsHeaders.cs
new file mode 100644
index 000000000000..55fd59dbb3f7
--- /dev/null
+++ b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/CheckLabelsHeaders.cs
@@ -0,0 +1,55 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.AppConfiguration.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// Defines headers for CheckLabels operation.
+    /// </summary>
+    public partial class CheckLabelsHeaders
+    {
+        /// <summary>
+        /// Initializes a new instance of the CheckLabelsHeaders class.
+        /// </summary>
+        public CheckLabelsHeaders()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the CheckLabelsHeaders class.
+        /// </summary>
+        /// <param name="syncToken">Enables real-time consistency between
+        /// requests by providing the returned value in the next request made
+        /// to the server.</param>
+        public CheckLabelsHeaders(string syncToken = default(string))
+        {
+            SyncToken = syncToken;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets enables real-time consistency between requests by
+        /// providing the returned value in the next request made to the
+        /// server.
+        /// </summary>
+        [JsonProperty(PropertyName = "Sync-Token")]
+        public string SyncToken { get; set; }
+
+    }
+}
diff --git a/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/CheckRevisionsHeaders.cs b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/CheckRevisionsHeaders.cs
new file mode 100644
index 000000000000..0005f67142bf
--- /dev/null
+++ b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/CheckRevisionsHeaders.cs
@@ -0,0 +1,55 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.AppConfiguration.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// Defines headers for CheckRevisions operation.
+    /// </summary>
+    public partial class CheckRevisionsHeaders
+    {
+        /// <summary>
+        /// Initializes a new instance of the CheckRevisionsHeaders class.
+        /// </summary>
+        public CheckRevisionsHeaders()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the CheckRevisionsHeaders class.
+        /// </summary>
+        /// <param name="syncToken">Enables real-time consistency between
+        /// requests by providing the returned value in the next request made
+        /// to the server.</param>
+        public CheckRevisionsHeaders(string syncToken = default(string))
+        {
+            SyncToken = syncToken;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets enables real-time consistency between requests by
+        /// providing the returned value in the next request made to the
+        /// server.
+        /// </summary>
+        [JsonProperty(PropertyName = "Sync-Token")]
+        public string SyncToken { get; set; }
+
+    }
+}
diff --git a/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/DeleteKeyValueHeaders.cs b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/DeleteKeyValueHeaders.cs
new file mode 100644
index 000000000000..156c0edf09af
--- /dev/null
+++ b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/DeleteKeyValueHeaders.cs
@@ -0,0 +1,65 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.AppConfiguration.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// Defines headers for DeleteKeyValue operation.
+    /// </summary>
+    public partial class DeleteKeyValueHeaders
+    {
+        /// <summary>
+        /// Initializes a new instance of the DeleteKeyValueHeaders class.
+        /// </summary>
+        public DeleteKeyValueHeaders()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the DeleteKeyValueHeaders class.
+        /// </summary>
+        /// <param name="syncToken">Enables real-time consistency between
+        /// requests by providing the returned value in the next request made
+        /// to the server.</param>
+        /// <param name="eTag">An identifier representing the returned state of
+        /// the resource.</param>
+        public DeleteKeyValueHeaders(string syncToken = default(string), string eTag = default(string))
+        {
+            SyncToken = syncToken;
+            ETag = eTag;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets enables real-time consistency between requests by
+        /// providing the returned value in the next request made to the
+        /// server.
+        /// </summary>
+        [JsonProperty(PropertyName = "Sync-Token")]
+        public string SyncToken { get; set; }
+
+        /// <summary>
+        /// Gets or sets an identifier representing the returned state of the
+        /// resource.
+        /// </summary>
+        [JsonProperty(PropertyName = "ETag")]
+        public string ETag { get; set; }
+
+    }
+}
diff --git a/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/DeleteLockHeaders.cs b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/DeleteLockHeaders.cs
new file mode 100644
index 000000000000..6972c1c01651
--- /dev/null
+++ b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/DeleteLockHeaders.cs
@@ -0,0 +1,65 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.AppConfiguration.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// Defines headers for DeleteLock operation.
+    /// </summary>
+    public partial class DeleteLockHeaders
+    {
+        /// <summary>
+        /// Initializes a new instance of the DeleteLockHeaders class.
+        /// </summary>
+        public DeleteLockHeaders()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the DeleteLockHeaders class.
+        /// </summary>
+        /// <param name="syncToken">Enables real-time consistency between
+        /// requests by providing the returned value in the next request made
+        /// to the server.</param>
+        /// <param name="eTag">An identifier representing the returned state of
+        /// the resource.</param>
+        public DeleteLockHeaders(string syncToken = default(string), string eTag = default(string))
+        {
+            SyncToken = syncToken;
+            ETag = eTag;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets enables real-time consistency between requests by
+        /// providing the returned value in the next request made to the
+        /// server.
+        /// </summary>
+        [JsonProperty(PropertyName = "Sync-Token")]
+        public string SyncToken { get; set; }
+
+        /// <summary>
+        /// Gets or sets an identifier representing the returned state of the
+        /// resource.
+        /// </summary>
+        [JsonProperty(PropertyName = "ETag")]
+        public string ETag { get; set; }
+
+    }
+}
diff --git a/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/Error.cs b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/Error.cs
new file mode 100644
index 000000000000..2f94cfadfe9e
--- /dev/null
+++ b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/Error.cs
@@ -0,0 +1,85 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.AppConfiguration.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// Azure App Configuration error object.
+    /// </summary>
+    public partial class Error
+    {
+        /// <summary>
+        /// Initializes a new instance of the Error class.
+        /// </summary>
+        public Error()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the Error class.
+        /// </summary>
+        /// <param name="type">The type of the error.</param>
+        /// <param name="title">A brief summary of the error.</param>
+        /// <param name="name">The name of the parameter that resulted in the
+        /// error.</param>
+        /// <param name="detail">A detailed description of the error.</param>
+        /// <param name="status">The HTTP status code that the error maps
+        /// to.</param>
+        public Error(string type = default(string), string title = default(string), string name = default(string), string detail = default(string), int? status = default(int?))
+        {
+            Type = type;
+            Title = title;
+            Name = name;
+            Detail = detail;
+            Status = status;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets the type of the error.
+        /// </summary>
+        [JsonProperty(PropertyName = "type")]
+        public string Type { get; set; }
+
+        /// <summary>
+        /// Gets or sets a brief summary of the error.
+        /// </summary>
+        [JsonProperty(PropertyName = "title")]
+        public string Title { get; set; }
+
+        /// <summary>
+        /// Gets or sets the name of the parameter that resulted in the error.
+        /// </summary>
+        [JsonProperty(PropertyName = "name")]
+        public string Name { get; set; }
+
+        /// <summary>
+        /// Gets or sets a detailed description of the error.
+        /// </summary>
+        [JsonProperty(PropertyName = "detail")]
+        public string Detail { get; set; }
+
+        /// <summary>
+        /// Gets or sets the HTTP status code that the error maps to.
+        /// </summary>
+        [JsonProperty(PropertyName = "status")]
+        public int? Status { get; set; }
+
+    }
+}
diff --git a/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/ErrorException.cs b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/ErrorException.cs
new file mode 100644
index 000000000000..218c9cbaabd9
--- /dev/null
+++ b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/ErrorException.cs
@@ -0,0 +1,61 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.AppConfiguration.Models
+{
+    using Microsoft.Rest;
+
+    /// <summary>
+    /// Exception thrown for an invalid response with Error information.
+    /// </summary>
+    public partial class ErrorException : RestException
+    {
+        /// <summary>
+        /// Gets information about the associated HTTP request.
+        /// </summary>
+        public HttpRequestMessageWrapper Request { get; set; }
+
+        /// <summary>
+        /// Gets information about the associated HTTP response.
+        /// </summary>
+        public HttpResponseMessageWrapper Response { get; set; }
+
+        /// <summary>
+        /// Gets or sets the body object.
+        /// </summary>
+        public Error Body { get; set; }
+
+        /// <summary>
+        /// Initializes a new instance of the ErrorException class.
+        /// </summary>
+        public ErrorException()
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the ErrorException class.
+        /// </summary>
+        /// <param name="message">The exception message.</param>
+        public ErrorException(string message)
+            : this(message, null)
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the ErrorException class.
+        /// </summary>
+        /// <param name="message">The exception message.</param>
+        /// <param name="innerException">Inner exception.</param>
+        public ErrorException(string message, System.Exception innerException)
+            : base(message, innerException)
+        {
+        }
+    }
+}
diff --git a/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/GetKeyValueHeaders.cs b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/GetKeyValueHeaders.cs
new file mode 100644
index 000000000000..10cca100f60c
--- /dev/null
+++ b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/GetKeyValueHeaders.cs
@@ -0,0 +1,75 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.AppConfiguration.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// Defines headers for GetKeyValue operation.
+    /// </summary>
+    public partial class GetKeyValueHeaders
+    {
+        /// <summary>
+        /// Initializes a new instance of the GetKeyValueHeaders class.
+        /// </summary>
+        public GetKeyValueHeaders()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the GetKeyValueHeaders class.
+        /// </summary>
+        /// <param name="syncToken">Enables real-time consistency between
+        /// requests by providing the returned value in the next request made
+        /// to the server.</param>
+        /// <param name="eTag">An identifier representing the returned state of
+        /// the resource.</param>
+        /// <param name="lastModified">A UTC datetime that specifies the last
+        /// time the resource was modified.</param>
+        public GetKeyValueHeaders(string syncToken = default(string), string eTag = default(string), string lastModified = default(string))
+        {
+            SyncToken = syncToken;
+            ETag = eTag;
+            LastModified = lastModified;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets enables real-time consistency between requests by
+        /// providing the returned value in the next request made to the
+        /// server.
+        /// </summary>
+        [JsonProperty(PropertyName = "Sync-Token")]
+        public string SyncToken { get; set; }
+
+        /// <summary>
+        /// Gets or sets an identifier representing the returned state of the
+        /// resource.
+        /// </summary>
+        [JsonProperty(PropertyName = "ETag")]
+        public string ETag { get; set; }
+
+        /// <summary>
+        /// Gets or sets a UTC datetime that specifies the last time the
+        /// resource was modified.
+        /// </summary>
+        [JsonProperty(PropertyName = "Last-Modified")]
+        public string LastModified { get; set; }
+
+    }
+}
diff --git a/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/GetKeyValuesHeaders.cs b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/GetKeyValuesHeaders.cs
new file mode 100644
index 000000000000..94edb89ef45e
--- /dev/null
+++ b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/GetKeyValuesHeaders.cs
@@ -0,0 +1,55 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.AppConfiguration.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// Defines headers for GetKeyValues operation.
+    /// </summary>
+    public partial class GetKeyValuesHeaders
+    {
+        /// <summary>
+        /// Initializes a new instance of the GetKeyValuesHeaders class.
+        /// </summary>
+        public GetKeyValuesHeaders()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the GetKeyValuesHeaders class.
+        /// </summary>
+        /// <param name="syncToken">Enables real-time consistency between
+        /// requests by providing the returned value in the next request made
+        /// to the server.</param>
+        public GetKeyValuesHeaders(string syncToken = default(string))
+        {
+            SyncToken = syncToken;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets enables real-time consistency between requests by
+        /// providing the returned value in the next request made to the
+        /// server.
+        /// </summary>
+        [JsonProperty(PropertyName = "Sync-Token")]
+        public string SyncToken { get; set; }
+
+    }
+}
diff --git a/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/GetKeysHeaders.cs b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/GetKeysHeaders.cs
new file mode 100644
index 000000000000..abe308cab4ee
--- /dev/null
+++ b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/GetKeysHeaders.cs
@@ -0,0 +1,55 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.AppConfiguration.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// Defines headers for GetKeys operation.
+    /// </summary>
+    public partial class GetKeysHeaders
+    {
+        /// <summary>
+        /// Initializes a new instance of the GetKeysHeaders class.
+        /// </summary>
+        public GetKeysHeaders()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the GetKeysHeaders class.
+        /// </summary>
+        /// <param name="syncToken">Enables real-time consistency between
+        /// requests by providing the returned value in the next request made
+        /// to the server.</param>
+        public GetKeysHeaders(string syncToken = default(string))
+        {
+            SyncToken = syncToken;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets enables real-time consistency between requests by
+        /// providing the returned value in the next request made to the
+        /// server.
+        /// </summary>
+        [JsonProperty(PropertyName = "Sync-Token")]
+        public string SyncToken { get; set; }
+
+    }
+}
diff --git a/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/GetLabelsHeaders.cs b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/GetLabelsHeaders.cs
new file mode 100644
index 000000000000..d658cdee1e6c
--- /dev/null
+++ b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/GetLabelsHeaders.cs
@@ -0,0 +1,55 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.AppConfiguration.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// Defines headers for GetLabels operation.
+    /// </summary>
+    public partial class GetLabelsHeaders
+    {
+        /// <summary>
+        /// Initializes a new instance of the GetLabelsHeaders class.
+        /// </summary>
+        public GetLabelsHeaders()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the GetLabelsHeaders class.
+        /// </summary>
+        /// <param name="syncToken">Enables real-time consistency between
+        /// requests by providing the returned value in the next request made
+        /// to the server.</param>
+        public GetLabelsHeaders(string syncToken = default(string))
+        {
+            SyncToken = syncToken;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets enables real-time consistency between requests by
+        /// providing the returned value in the next request made to the
+        /// server.
+        /// </summary>
+        [JsonProperty(PropertyName = "Sync-Token")]
+        public string SyncToken { get; set; }
+
+    }
+}
diff --git a/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/GetRevisionsHeaders.cs b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/GetRevisionsHeaders.cs
new file mode 100644
index 000000000000..6cb1607ffa48
--- /dev/null
+++ b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/GetRevisionsHeaders.cs
@@ -0,0 +1,55 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.AppConfiguration.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// Defines headers for GetRevisions operation.
+    /// </summary>
+    public partial class GetRevisionsHeaders
+    {
+        /// <summary>
+        /// Initializes a new instance of the GetRevisionsHeaders class.
+        /// </summary>
+        public GetRevisionsHeaders()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the GetRevisionsHeaders class.
+        /// </summary>
+        /// <param name="syncToken">Enables real-time consistency between
+        /// requests by providing the returned value in the next request made
+        /// to the server.</param>
+        public GetRevisionsHeaders(string syncToken = default(string))
+        {
+            SyncToken = syncToken;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets enables real-time consistency between requests by
+        /// providing the returned value in the next request made to the
+        /// server.
+        /// </summary>
+        [JsonProperty(PropertyName = "Sync-Token")]
+        public string SyncToken { get; set; }
+
+    }
+}
diff --git a/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/Key.cs b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/Key.cs
new file mode 100644
index 000000000000..bf65e49833b8
--- /dev/null
+++ b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/Key.cs
@@ -0,0 +1,46 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.AppConfiguration.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    public partial class Key
+    {
+        /// <summary>
+        /// Initializes a new instance of the Key class.
+        /// </summary>
+        public Key()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the Key class.
+        /// </summary>
+        public Key(string name = default(string))
+        {
+            Name = name;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// </summary>
+        [JsonProperty(PropertyName = "name")]
+        public string Name { get; private set; }
+
+    }
+}
diff --git a/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/KeyValue.cs b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/KeyValue.cs
new file mode 100644
index 000000000000..ed371b62c949
--- /dev/null
+++ b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/KeyValue.cs
@@ -0,0 +1,90 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.AppConfiguration.Models
+{
+    using Newtonsoft.Json;
+    using System.Collections;
+    using System.Collections.Generic;
+    using System.Linq;
+
+    public partial class KeyValue
+    {
+        /// <summary>
+        /// Initializes a new instance of the KeyValue class.
+        /// </summary>
+        public KeyValue()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the KeyValue class.
+        /// </summary>
+        public KeyValue(string key = default(string), string label = default(string), string contentType = default(string), string value = default(string), System.DateTime? lastModified = default(System.DateTime?), IDictionary<string, string> tags = default(IDictionary<string, string>), bool? locked = default(bool?), string etag = default(string))
+        {
+            Key = key;
+            Label = label;
+            ContentType = contentType;
+            Value = value;
+            LastModified = lastModified;
+            Tags = tags;
+            Locked = locked;
+            Etag = etag;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// </summary>
+        [JsonProperty(PropertyName = "key")]
+        public string Key { get; set; }
+
+        /// <summary>
+        /// </summary>
+        [JsonProperty(PropertyName = "label")]
+        public string Label { get; set; }
+
+        /// <summary>
+        /// </summary>
+        [JsonProperty(PropertyName = "content_type")]
+        public string ContentType { get; set; }
+
+        /// <summary>
+        /// </summary>
+        [JsonProperty(PropertyName = "value")]
+        public string Value { get; set; }
+
+        /// <summary>
+        /// </summary>
+        [JsonProperty(PropertyName = "last_modified")]
+        public System.DateTime? LastModified { get; set; }
+
+        /// <summary>
+        /// </summary>
+        [JsonProperty(PropertyName = "tags")]
+        public IDictionary<string, string> Tags { get; set; }
+
+        /// <summary>
+        /// </summary>
+        [JsonProperty(PropertyName = "locked")]
+        public bool? Locked { get; set; }
+
+        /// <summary>
+        /// </summary>
+        [JsonProperty(PropertyName = "etag")]
+        public string Etag { get; set; }
+
+    }
+}
diff --git a/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/Label.cs b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/Label.cs
new file mode 100644
index 000000000000..818854a5d741
--- /dev/null
+++ b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/Label.cs
@@ -0,0 +1,46 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.AppConfiguration.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    public partial class Label
+    {
+        /// <summary>
+        /// Initializes a new instance of the Label class.
+        /// </summary>
+        public Label()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the Label class.
+        /// </summary>
+        public Label(string name = default(string))
+        {
+            Name = name;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// </summary>
+        [JsonProperty(PropertyName = "name")]
+        public string Name { get; private set; }
+
+    }
+}
diff --git a/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/Page.cs b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/Page.cs
new file mode 100644
index 000000000000..ebe4f9e4e1f2
--- /dev/null
+++ b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/Page.cs
@@ -0,0 +1,53 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.AppConfiguration.Models
+{
+    using Microsoft.Rest;
+    using Microsoft.Rest.Azure;
+    using Newtonsoft.Json;
+    using System.Collections;
+    using System.Collections.Generic;
+
+    /// <summary>
+    /// Defines a page in Azure responses.
+    /// </summary>
+    /// <typeparam name="T">Type of the page content items</typeparam>
+    [JsonObject]
+    public class Page<T> : IPage<T>
+    {
+         /// <summary>
+         /// Gets the link to the next page.
+         /// </summary>
+         [JsonProperty("@nextLink")]
+         public string NextPageLink { get; private set; }
+
+         [JsonProperty("items")]
+         private IList<T> Items{ get; set; }
+
+         /// <summary>
+         /// Returns an enumerator that iterates through the collection.
+         /// </summary>
+         /// <returns>A an enumerator that can be used to iterate through the collection.</returns>
+         public IEnumerator<T> GetEnumerator()
+         {
+              return Items == null ? System.Linq.Enumerable.Empty<T>().GetEnumerator() : Items.GetEnumerator();
+         }
+
+         /// <summary>
+         /// Returns an enumerator that iterates through the collection.
+         /// </summary>
+         /// <returns>A an enumerator that can be used to iterate through the collection.</returns>
+         IEnumerator IEnumerable.GetEnumerator()
+         {
+             return GetEnumerator();
+         }
+    }
+}
diff --git a/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/PutKeyValueHeaders.cs b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/PutKeyValueHeaders.cs
new file mode 100644
index 000000000000..756c49ae41a4
--- /dev/null
+++ b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/PutKeyValueHeaders.cs
@@ -0,0 +1,65 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.AppConfiguration.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// Defines headers for PutKeyValue operation.
+    /// </summary>
+    public partial class PutKeyValueHeaders
+    {
+        /// <summary>
+        /// Initializes a new instance of the PutKeyValueHeaders class.
+        /// </summary>
+        public PutKeyValueHeaders()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the PutKeyValueHeaders class.
+        /// </summary>
+        /// <param name="syncToken">Enables real-time consistency between
+        /// requests by providing the returned value in the next request made
+        /// to the server.</param>
+        /// <param name="eTag">An identifier representing the returned state of
+        /// the resource.</param>
+        public PutKeyValueHeaders(string syncToken = default(string), string eTag = default(string))
+        {
+            SyncToken = syncToken;
+            ETag = eTag;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets enables real-time consistency between requests by
+        /// providing the returned value in the next request made to the
+        /// server.
+        /// </summary>
+        [JsonProperty(PropertyName = "Sync-Token")]
+        public string SyncToken { get; set; }
+
+        /// <summary>
+        /// Gets or sets an identifier representing the returned state of the
+        /// resource.
+        /// </summary>
+        [JsonProperty(PropertyName = "ETag")]
+        public string ETag { get; set; }
+
+    }
+}
diff --git a/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/PutLockHeaders.cs b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/PutLockHeaders.cs
new file mode 100644
index 000000000000..0b1bc406108a
--- /dev/null
+++ b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/Models/PutLockHeaders.cs
@@ -0,0 +1,65 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.AppConfiguration.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// Defines headers for PutLock operation.
+    /// </summary>
+    public partial class PutLockHeaders
+    {
+        /// <summary>
+        /// Initializes a new instance of the PutLockHeaders class.
+        /// </summary>
+        public PutLockHeaders()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the PutLockHeaders class.
+        /// </summary>
+        /// <param name="syncToken">Enables real-time consistency between
+        /// requests by providing the returned value in the next request made
+        /// to the server.</param>
+        /// <param name="eTag">An identifier representing the returned state of
+        /// the resource.</param>
+        public PutLockHeaders(string syncToken = default(string), string eTag = default(string))
+        {
+            SyncToken = syncToken;
+            ETag = eTag;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets enables real-time consistency between requests by
+        /// providing the returned value in the next request made to the
+        /// server.
+        /// </summary>
+        [JsonProperty(PropertyName = "Sync-Token")]
+        public string SyncToken { get; set; }
+
+        /// <summary>
+        /// Gets or sets an identifier representing the returned state of the
+        /// resource.
+        /// </summary>
+        [JsonProperty(PropertyName = "ETag")]
+        public string ETag { get; set; }
+
+    }
+}
diff --git a/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/SdkInfo_AzureAppConfiguration.cs b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/SdkInfo_AzureAppConfiguration.cs
new file mode 100644
index 000000000000..0bb8a0a22a5c
--- /dev/null
+++ b/sdk/AppConfiguration/preview/Microsoft.Azure.AppConfiguration/src/Generated/SdkInfo_AzureAppConfiguration.cs
@@ -0,0 +1,40 @@
+
+// <auto-generated>
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.AppConfiguration
+{
+  using System;
+  using System.Collections.Generic;
+  using System.Linq;
+
+  internal static partial class SdkInfo
+  {
+      public static IEnumerable<Tuple<string, string, string>> ApiInfo_AzureAppConfiguration
+      {
+          get
+          {
+              return new Tuple<string, string, string>[]
+              {
+                new Tuple<string, string, string>("AzureAppConfiguration", "CheckKeyValue", "1.0"),
+                new Tuple<string, string, string>("AzureAppConfiguration", "CheckKeyValues", "1.0"),
+                new Tuple<string, string, string>("AzureAppConfiguration", "CheckKeys", "1.0"),
+                new Tuple<string, string, string>("AzureAppConfiguration", "CheckLabels", "1.0"),
+                new Tuple<string, string, string>("AzureAppConfiguration", "CheckRevisions", "1.0"),
+                new Tuple<string, string, string>("AzureAppConfiguration", "DeleteKeyValue", "1.0"),
+                new Tuple<string, string, string>("AzureAppConfiguration", "DeleteLock", "1.0"),
+                new Tuple<string, string, string>("AzureAppConfiguration", "GetKeyValue", "1.0"),
+                new Tuple<string, string, string>("AzureAppConfiguration", "GetKeyValues", "1.0"),
+                new Tuple<string, string, string>("AzureAppConfiguration", "GetKeys", "1.0"),
+                new Tuple<string, string, string>("AzureAppConfiguration", "GetLabels", "1.0"),
+                new Tuple<string, string, string>("AzureAppConfiguration", "GetRevisions", "1.0"),
+                new Tuple<string, string, string>("AzureAppConfiguration", "PutKeyValue", "1.0"),
+                new Tuple<string, string, string>("AzureAppConfiguration", "PutLock", "1.0"),
+              }.AsEnumerable();
+          }
+      }
+  }
+}