diff --git a/network/resource-manager/v2018_12_01/src/main/java/com/microsoft/azure/management/network/v2018_12_01/implementation/ApplicationGatewaysInner.java b/network/resource-manager/v2018_12_01/src/main/java/com/microsoft/azure/management/network/v2018_12_01/implementation/ApplicationGatewaysInner.java
index 3df173af701c..709d86dec97b 100644
--- a/network/resource-manager/v2018_12_01/src/main/java/com/microsoft/azure/management/network/v2018_12_01/implementation/ApplicationGatewaysInner.java
+++ b/network/resource-manager/v2018_12_01/src/main/java/com/microsoft/azure/management/network/v2018_12_01/implementation/ApplicationGatewaysInner.java
@@ -1764,12 +1764,7 @@ public Observable<ServiceResponse<List<String>>> listAvailableServerVariablesWit
                 @Override
                 public Observable<ServiceResponse<List<String>>> call(Response<ResponseBody> response) {
                     try {
-                        ServiceResponse<<String>> result = listAvailableServerVariablesDelegate(response);
-                        List<String> items = null;
-                        if (result.body() != null) {
-                            items = result.body().items();
-                        }
-                        ServiceResponse<List<String>> clientResponse = new ServiceResponse<List<String>>(items, result.response());
+                        ServiceResponse<List<String>> clientResponse = listAvailableServerVariablesDelegate(response);
                         return Observable.just(clientResponse);
                     } catch (Throwable t) {
                         return Observable.error(t);
@@ -1778,9 +1773,9 @@ public Observable<ServiceResponse<List<String>>> call(Response<ResponseBody> res
             });
     }
 
-    private ServiceResponse<<String>> listAvailableServerVariablesDelegate(Response<ResponseBody> response) throws ErrorException, IOException, IllegalArgumentException {
-        return this.client.restClient().responseBuilderFactory().<<String>, ErrorException>newInstance(this.client.serializerAdapter())
-                .register(200, new TypeToken<<String>>() { }.getType())
+    private ServiceResponse<List<String>> listAvailableServerVariablesDelegate(Response<ResponseBody> response) throws ErrorException, IOException, IllegalArgumentException {
+        return this.client.restClient().responseBuilderFactory().<List<String>, ErrorException>newInstance(this.client.serializerAdapter())
+                .register(200, new TypeToken<List<String>>() { }.getType())
                 .registerError(ErrorException.class)
                 .build(response);
     }
@@ -1839,12 +1834,7 @@ public Observable<ServiceResponse<List<String>>> listAvailableRequestHeadersWith
                 @Override
                 public Observable<ServiceResponse<List<String>>> call(Response<ResponseBody> response) {
                     try {
-                        ServiceResponse<<String>> result = listAvailableRequestHeadersDelegate(response);
-                        List<String> items = null;
-                        if (result.body() != null) {
-                            items = result.body().items();
-                        }
-                        ServiceResponse<List<String>> clientResponse = new ServiceResponse<List<String>>(items, result.response());
+                        ServiceResponse<List<String>> clientResponse = listAvailableRequestHeadersDelegate(response);
                         return Observable.just(clientResponse);
                     } catch (Throwable t) {
                         return Observable.error(t);
@@ -1853,9 +1843,9 @@ public Observable<ServiceResponse<List<String>>> call(Response<ResponseBody> res
             });
     }
 
-    private ServiceResponse<<String>> listAvailableRequestHeadersDelegate(Response<ResponseBody> response) throws ErrorException, IOException, IllegalArgumentException {
-        return this.client.restClient().responseBuilderFactory().<<String>, ErrorException>newInstance(this.client.serializerAdapter())
-                .register(200, new TypeToken<<String>>() { }.getType())
+    private ServiceResponse<List<String>> listAvailableRequestHeadersDelegate(Response<ResponseBody> response) throws ErrorException, IOException, IllegalArgumentException {
+        return this.client.restClient().responseBuilderFactory().<List<String>, ErrorException>newInstance(this.client.serializerAdapter())
+                .register(200, new TypeToken<List<String>>() { }.getType())
                 .registerError(ErrorException.class)
                 .build(response);
     }
@@ -1914,12 +1904,7 @@ public Observable<ServiceResponse<List<String>>> listAvailableResponseHeadersWit
                 @Override
                 public Observable<ServiceResponse<List<String>>> call(Response<ResponseBody> response) {
                     try {
-                        ServiceResponse<<String>> result = listAvailableResponseHeadersDelegate(response);
-                        List<String> items = null;
-                        if (result.body() != null) {
-                            items = result.body().items();
-                        }
-                        ServiceResponse<List<String>> clientResponse = new ServiceResponse<List<String>>(items, result.response());
+                        ServiceResponse<List<String>> clientResponse = listAvailableResponseHeadersDelegate(response);
                         return Observable.just(clientResponse);
                     } catch (Throwable t) {
                         return Observable.error(t);
@@ -1928,9 +1913,9 @@ public Observable<ServiceResponse<List<String>>> call(Response<ResponseBody> res
             });
     }
 
-    private ServiceResponse<<String>> listAvailableResponseHeadersDelegate(Response<ResponseBody> response) throws ErrorException, IOException, IllegalArgumentException {
-        return this.client.restClient().responseBuilderFactory().<<String>, ErrorException>newInstance(this.client.serializerAdapter())
-                .register(200, new TypeToken<<String>>() { }.getType())
+    private ServiceResponse<List<String>> listAvailableResponseHeadersDelegate(Response<ResponseBody> response) throws ErrorException, IOException, IllegalArgumentException {
+        return this.client.restClient().responseBuilderFactory().<List<String>, ErrorException>newInstance(this.client.serializerAdapter())
+                .register(200, new TypeToken<List<String>>() { }.getType())
                 .registerError(ErrorException.class)
                 .build(response);
     }
diff --git a/network/resource-manager/v2018_12_01/src/main/java/com/microsoft/azure/management/network/v2018_12_01/implementation/DdosProtectionPlansInner.java b/network/resource-manager/v2018_12_01/src/main/java/com/microsoft/azure/management/network/v2018_12_01/implementation/DdosProtectionPlansInner.java
index fa8cbabdda06..9cc17d154a2b 100644
--- a/network/resource-manager/v2018_12_01/src/main/java/com/microsoft/azure/management/network/v2018_12_01/implementation/DdosProtectionPlansInner.java
+++ b/network/resource-manager/v2018_12_01/src/main/java/com/microsoft/azure/management/network/v2018_12_01/implementation/DdosProtectionPlansInner.java
@@ -16,6 +16,7 @@
 import com.microsoft.azure.AzureServiceFuture;
 import com.microsoft.azure.CloudException;
 import com.microsoft.azure.ListOperationCallback;
+import com.microsoft.azure.management.network.v2018_12_01.TagsObject;
 import com.microsoft.azure.Page;
 import com.microsoft.azure.PagedList;
 import com.microsoft.rest.ServiceCallback;
@@ -24,12 +25,14 @@
 import com.microsoft.rest.Validator;
 import java.io.IOException;
 import java.util.List;
+import java.util.Map;
 import okhttp3.ResponseBody;
 import retrofit2.http.Body;
 import retrofit2.http.GET;
 import retrofit2.http.Header;
 import retrofit2.http.Headers;
 import retrofit2.http.HTTP;
+import retrofit2.http.PATCH;
 import retrofit2.http.Path;
 import retrofit2.http.PUT;
 import retrofit2.http.Query;
@@ -84,6 +87,14 @@ interface DdosProtectionPlansService {
         @PUT("subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/ddosProtectionPlans/{ddosProtectionPlanName}")
         Observable<Response<ResponseBody>> beginCreateOrUpdate(@Path("resourceGroupName") String resourceGroupName, @Path("ddosProtectionPlanName") String ddosProtectionPlanName, @Path("subscriptionId") String subscriptionId, @Body DdosProtectionPlanInner parameters, @Query("api-version") String apiVersion, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);
 
+        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.network.v2018_12_01.DdosProtectionPlans updateTags" })
+        @PATCH("subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/ddosProtectionPlans/{ddosProtectionPlanName}")
+        Observable<Response<ResponseBody>> updateTags(@Path("resourceGroupName") String resourceGroupName, @Path("ddosProtectionPlanName") String ddosProtectionPlanName, @Path("subscriptionId") String subscriptionId, @Query("api-version") String apiVersion, @Header("accept-language") String acceptLanguage, @Body TagsObject parameters, @Header("User-Agent") String userAgent);
+
+        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.network.v2018_12_01.DdosProtectionPlans beginUpdateTags" })
+        @PATCH("subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/ddosProtectionPlans/{ddosProtectionPlanName}")
+        Observable<Response<ResponseBody>> beginUpdateTags(@Path("resourceGroupName") String resourceGroupName, @Path("ddosProtectionPlanName") String ddosProtectionPlanName, @Path("subscriptionId") String subscriptionId, @Query("api-version") String apiVersion, @Header("accept-language") String acceptLanguage, @Body TagsObject parameters, @Header("User-Agent") String userAgent);
+
         @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.network.v2018_12_01.DdosProtectionPlans list" })
         @GET("subscriptions/{subscriptionId}/providers/Microsoft.Network/ddosProtectionPlans")
         Observable<Response<ResponseBody>> list(@Path("subscriptionId") String subscriptionId, @Query("api-version") String apiVersion, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);
@@ -505,6 +516,320 @@ private ServiceResponse<DdosProtectionPlanInner> beginCreateOrUpdateDelegate(Res
                 .build(response);
     }
 
+    /**
+     * Update a DDoS protection plan tags.
+     *
+     * @param resourceGroupName The name of the resource group.
+     * @param ddosProtectionPlanName The name of the DDoS protection plan.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @throws CloudException thrown if the request is rejected by server
+     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
+     * @return the DdosProtectionPlanInner object if successful.
+     */
+    public DdosProtectionPlanInner updateTags(String resourceGroupName, String ddosProtectionPlanName) {
+        return updateTagsWithServiceResponseAsync(resourceGroupName, ddosProtectionPlanName).toBlocking().last().body();
+    }
+
+    /**
+     * Update a DDoS protection plan tags.
+     *
+     * @param resourceGroupName The name of the resource group.
+     * @param ddosProtectionPlanName The name of the DDoS protection plan.
+     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @return the {@link ServiceFuture} object
+     */
+    public ServiceFuture<DdosProtectionPlanInner> updateTagsAsync(String resourceGroupName, String ddosProtectionPlanName, final ServiceCallback<DdosProtectionPlanInner> serviceCallback) {
+        return ServiceFuture.fromResponse(updateTagsWithServiceResponseAsync(resourceGroupName, ddosProtectionPlanName), serviceCallback);
+    }
+
+    /**
+     * Update a DDoS protection plan tags.
+     *
+     * @param resourceGroupName The name of the resource group.
+     * @param ddosProtectionPlanName The name of the DDoS protection plan.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @return the observable for the request
+     */
+    public Observable<DdosProtectionPlanInner> updateTagsAsync(String resourceGroupName, String ddosProtectionPlanName) {
+        return updateTagsWithServiceResponseAsync(resourceGroupName, ddosProtectionPlanName).map(new Func1<ServiceResponse<DdosProtectionPlanInner>, DdosProtectionPlanInner>() {
+            @Override
+            public DdosProtectionPlanInner call(ServiceResponse<DdosProtectionPlanInner> response) {
+                return response.body();
+            }
+        });
+    }
+
+    /**
+     * Update a DDoS protection plan tags.
+     *
+     * @param resourceGroupName The name of the resource group.
+     * @param ddosProtectionPlanName The name of the DDoS protection plan.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @return the observable for the request
+     */
+    public Observable<ServiceResponse<DdosProtectionPlanInner>> updateTagsWithServiceResponseAsync(String resourceGroupName, String ddosProtectionPlanName) {
+        if (resourceGroupName == null) {
+            throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
+        }
+        if (ddosProtectionPlanName == null) {
+            throw new IllegalArgumentException("Parameter ddosProtectionPlanName is required and cannot be null.");
+        }
+        if (this.client.subscriptionId() == null) {
+            throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
+        }
+        final String apiVersion = "2018-12-01";
+        final Map<String, String> tags = null;
+        TagsObject parameters = new TagsObject();
+        parameters.withTags(null);
+        Observable<Response<ResponseBody>> observable = service.updateTags(resourceGroupName, ddosProtectionPlanName, this.client.subscriptionId(), apiVersion, this.client.acceptLanguage(), parameters, this.client.userAgent());
+        return client.getAzureClient().getPutOrPatchResultAsync(observable, new TypeToken<DdosProtectionPlanInner>() { }.getType());
+    }
+    /**
+     * Update a DDoS protection plan tags.
+     *
+     * @param resourceGroupName The name of the resource group.
+     * @param ddosProtectionPlanName The name of the DDoS protection plan.
+     * @param tags Resource tags.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @throws CloudException thrown if the request is rejected by server
+     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
+     * @return the DdosProtectionPlanInner object if successful.
+     */
+    public DdosProtectionPlanInner updateTags(String resourceGroupName, String ddosProtectionPlanName, Map<String, String> tags) {
+        return updateTagsWithServiceResponseAsync(resourceGroupName, ddosProtectionPlanName, tags).toBlocking().last().body();
+    }
+
+    /**
+     * Update a DDoS protection plan tags.
+     *
+     * @param resourceGroupName The name of the resource group.
+     * @param ddosProtectionPlanName The name of the DDoS protection plan.
+     * @param tags Resource tags.
+     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @return the {@link ServiceFuture} object
+     */
+    public ServiceFuture<DdosProtectionPlanInner> updateTagsAsync(String resourceGroupName, String ddosProtectionPlanName, Map<String, String> tags, final ServiceCallback<DdosProtectionPlanInner> serviceCallback) {
+        return ServiceFuture.fromResponse(updateTagsWithServiceResponseAsync(resourceGroupName, ddosProtectionPlanName, tags), serviceCallback);
+    }
+
+    /**
+     * Update a DDoS protection plan tags.
+     *
+     * @param resourceGroupName The name of the resource group.
+     * @param ddosProtectionPlanName The name of the DDoS protection plan.
+     * @param tags Resource tags.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @return the observable for the request
+     */
+    public Observable<DdosProtectionPlanInner> updateTagsAsync(String resourceGroupName, String ddosProtectionPlanName, Map<String, String> tags) {
+        return updateTagsWithServiceResponseAsync(resourceGroupName, ddosProtectionPlanName, tags).map(new Func1<ServiceResponse<DdosProtectionPlanInner>, DdosProtectionPlanInner>() {
+            @Override
+            public DdosProtectionPlanInner call(ServiceResponse<DdosProtectionPlanInner> response) {
+                return response.body();
+            }
+        });
+    }
+
+    /**
+     * Update a DDoS protection plan tags.
+     *
+     * @param resourceGroupName The name of the resource group.
+     * @param ddosProtectionPlanName The name of the DDoS protection plan.
+     * @param tags Resource tags.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @return the observable for the request
+     */
+    public Observable<ServiceResponse<DdosProtectionPlanInner>> updateTagsWithServiceResponseAsync(String resourceGroupName, String ddosProtectionPlanName, Map<String, String> tags) {
+        if (resourceGroupName == null) {
+            throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
+        }
+        if (ddosProtectionPlanName == null) {
+            throw new IllegalArgumentException("Parameter ddosProtectionPlanName is required and cannot be null.");
+        }
+        if (this.client.subscriptionId() == null) {
+            throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
+        }
+        Validator.validate(tags);
+        final String apiVersion = "2018-12-01";
+        TagsObject parameters = new TagsObject();
+        parameters.withTags(tags);
+        Observable<Response<ResponseBody>> observable = service.updateTags(resourceGroupName, ddosProtectionPlanName, this.client.subscriptionId(), apiVersion, this.client.acceptLanguage(), parameters, this.client.userAgent());
+        return client.getAzureClient().getPutOrPatchResultAsync(observable, new TypeToken<DdosProtectionPlanInner>() { }.getType());
+    }
+
+    /**
+     * Update a DDoS protection plan tags.
+     *
+     * @param resourceGroupName The name of the resource group.
+     * @param ddosProtectionPlanName The name of the DDoS protection plan.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @throws CloudException thrown if the request is rejected by server
+     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
+     * @return the DdosProtectionPlanInner object if successful.
+     */
+    public DdosProtectionPlanInner beginUpdateTags(String resourceGroupName, String ddosProtectionPlanName) {
+        return beginUpdateTagsWithServiceResponseAsync(resourceGroupName, ddosProtectionPlanName).toBlocking().single().body();
+    }
+
+    /**
+     * Update a DDoS protection plan tags.
+     *
+     * @param resourceGroupName The name of the resource group.
+     * @param ddosProtectionPlanName The name of the DDoS protection plan.
+     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @return the {@link ServiceFuture} object
+     */
+    public ServiceFuture<DdosProtectionPlanInner> beginUpdateTagsAsync(String resourceGroupName, String ddosProtectionPlanName, final ServiceCallback<DdosProtectionPlanInner> serviceCallback) {
+        return ServiceFuture.fromResponse(beginUpdateTagsWithServiceResponseAsync(resourceGroupName, ddosProtectionPlanName), serviceCallback);
+    }
+
+    /**
+     * Update a DDoS protection plan tags.
+     *
+     * @param resourceGroupName The name of the resource group.
+     * @param ddosProtectionPlanName The name of the DDoS protection plan.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @return the observable to the DdosProtectionPlanInner object
+     */
+    public Observable<DdosProtectionPlanInner> beginUpdateTagsAsync(String resourceGroupName, String ddosProtectionPlanName) {
+        return beginUpdateTagsWithServiceResponseAsync(resourceGroupName, ddosProtectionPlanName).map(new Func1<ServiceResponse<DdosProtectionPlanInner>, DdosProtectionPlanInner>() {
+            @Override
+            public DdosProtectionPlanInner call(ServiceResponse<DdosProtectionPlanInner> response) {
+                return response.body();
+            }
+        });
+    }
+
+    /**
+     * Update a DDoS protection plan tags.
+     *
+     * @param resourceGroupName The name of the resource group.
+     * @param ddosProtectionPlanName The name of the DDoS protection plan.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @return the observable to the DdosProtectionPlanInner object
+     */
+    public Observable<ServiceResponse<DdosProtectionPlanInner>> beginUpdateTagsWithServiceResponseAsync(String resourceGroupName, String ddosProtectionPlanName) {
+        if (resourceGroupName == null) {
+            throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
+        }
+        if (ddosProtectionPlanName == null) {
+            throw new IllegalArgumentException("Parameter ddosProtectionPlanName is required and cannot be null.");
+        }
+        if (this.client.subscriptionId() == null) {
+            throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
+        }
+        final String apiVersion = "2018-12-01";
+        final Map<String, String> tags = null;
+        TagsObject parameters = new TagsObject();
+        parameters.withTags(null);
+        return service.beginUpdateTags(resourceGroupName, ddosProtectionPlanName, this.client.subscriptionId(), apiVersion, this.client.acceptLanguage(), parameters, this.client.userAgent())
+            .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<DdosProtectionPlanInner>>>() {
+                @Override
+                public Observable<ServiceResponse<DdosProtectionPlanInner>> call(Response<ResponseBody> response) {
+                    try {
+                        ServiceResponse<DdosProtectionPlanInner> clientResponse = beginUpdateTagsDelegate(response);
+                        return Observable.just(clientResponse);
+                    } catch (Throwable t) {
+                        return Observable.error(t);
+                    }
+                }
+            });
+    }
+
+    /**
+     * Update a DDoS protection plan tags.
+     *
+     * @param resourceGroupName The name of the resource group.
+     * @param ddosProtectionPlanName The name of the DDoS protection plan.
+     * @param tags Resource tags.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @throws CloudException thrown if the request is rejected by server
+     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
+     * @return the DdosProtectionPlanInner object if successful.
+     */
+    public DdosProtectionPlanInner beginUpdateTags(String resourceGroupName, String ddosProtectionPlanName, Map<String, String> tags) {
+        return beginUpdateTagsWithServiceResponseAsync(resourceGroupName, ddosProtectionPlanName, tags).toBlocking().single().body();
+    }
+
+    /**
+     * Update a DDoS protection plan tags.
+     *
+     * @param resourceGroupName The name of the resource group.
+     * @param ddosProtectionPlanName The name of the DDoS protection plan.
+     * @param tags Resource tags.
+     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @return the {@link ServiceFuture} object
+     */
+    public ServiceFuture<DdosProtectionPlanInner> beginUpdateTagsAsync(String resourceGroupName, String ddosProtectionPlanName, Map<String, String> tags, final ServiceCallback<DdosProtectionPlanInner> serviceCallback) {
+        return ServiceFuture.fromResponse(beginUpdateTagsWithServiceResponseAsync(resourceGroupName, ddosProtectionPlanName, tags), serviceCallback);
+    }
+
+    /**
+     * Update a DDoS protection plan tags.
+     *
+     * @param resourceGroupName The name of the resource group.
+     * @param ddosProtectionPlanName The name of the DDoS protection plan.
+     * @param tags Resource tags.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @return the observable to the DdosProtectionPlanInner object
+     */
+    public Observable<DdosProtectionPlanInner> beginUpdateTagsAsync(String resourceGroupName, String ddosProtectionPlanName, Map<String, String> tags) {
+        return beginUpdateTagsWithServiceResponseAsync(resourceGroupName, ddosProtectionPlanName, tags).map(new Func1<ServiceResponse<DdosProtectionPlanInner>, DdosProtectionPlanInner>() {
+            @Override
+            public DdosProtectionPlanInner call(ServiceResponse<DdosProtectionPlanInner> response) {
+                return response.body();
+            }
+        });
+    }
+
+    /**
+     * Update a DDoS protection plan tags.
+     *
+     * @param resourceGroupName The name of the resource group.
+     * @param ddosProtectionPlanName The name of the DDoS protection plan.
+     * @param tags Resource tags.
+     * @throws IllegalArgumentException thrown if parameters fail the validation
+     * @return the observable to the DdosProtectionPlanInner object
+     */
+    public Observable<ServiceResponse<DdosProtectionPlanInner>> beginUpdateTagsWithServiceResponseAsync(String resourceGroupName, String ddosProtectionPlanName, Map<String, String> tags) {
+        if (resourceGroupName == null) {
+            throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
+        }
+        if (ddosProtectionPlanName == null) {
+            throw new IllegalArgumentException("Parameter ddosProtectionPlanName is required and cannot be null.");
+        }
+        if (this.client.subscriptionId() == null) {
+            throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
+        }
+        Validator.validate(tags);
+        final String apiVersion = "2018-12-01";
+        TagsObject parameters = new TagsObject();
+        parameters.withTags(tags);
+        return service.beginUpdateTags(resourceGroupName, ddosProtectionPlanName, this.client.subscriptionId(), apiVersion, this.client.acceptLanguage(), parameters, this.client.userAgent())
+            .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<DdosProtectionPlanInner>>>() {
+                @Override
+                public Observable<ServiceResponse<DdosProtectionPlanInner>> call(Response<ResponseBody> response) {
+                    try {
+                        ServiceResponse<DdosProtectionPlanInner> clientResponse = beginUpdateTagsDelegate(response);
+                        return Observable.just(clientResponse);
+                    } catch (Throwable t) {
+                        return Observable.error(t);
+                    }
+                }
+            });
+    }
+
+    private ServiceResponse<DdosProtectionPlanInner> beginUpdateTagsDelegate(Response<ResponseBody> response) throws CloudException, IOException, IllegalArgumentException {
+        return this.client.restClient().responseBuilderFactory().<DdosProtectionPlanInner, CloudException>newInstance(this.client.serializerAdapter())
+                .register(200, new TypeToken<DdosProtectionPlanInner>() { }.getType())
+                .registerError(CloudException.class)
+                .build(response);
+    }
+
     /**
      * Gets all DDoS protection plans in a subscription.
      *