diff --git a/sdk/extensions/Azure.Extensions.AspNetCore.Configuration.Secrets/api/Azure.Extensions.AspNetCore.Configuration.Secrets.netstandard2.0.cs b/sdk/extensions/Azure.Extensions.AspNetCore.Configuration.Secrets/api/Azure.Extensions.AspNetCore.Configuration.Secrets.netstandard2.0.cs
index 3e7427eb7387..2a8c8b1ff43d 100644
--- a/sdk/extensions/Azure.Extensions.AspNetCore.Configuration.Secrets/api/Azure.Extensions.AspNetCore.Configuration.Secrets.netstandard2.0.cs
+++ b/sdk/extensions/Azure.Extensions.AspNetCore.Configuration.Secrets/api/Azure.Extensions.AspNetCore.Configuration.Secrets.netstandard2.0.cs
@@ -13,6 +13,11 @@ public void Dispose() { }
         protected virtual void Dispose(bool disposing) { }
         public override void Load() { }
     }
+    public partial class AzureKeyVaultConfigurationSource : Microsoft.Extensions.Configuration.IConfigurationSource
+    {
+        public AzureKeyVaultConfigurationSource(Azure.Security.KeyVault.Secrets.SecretClient client, Azure.Extensions.AspNetCore.Configuration.Secrets.AzureKeyVaultConfigurationOptions options) { }
+        public Microsoft.Extensions.Configuration.IConfigurationProvider Build(Microsoft.Extensions.Configuration.IConfigurationBuilder builder) { throw null; }
+    }
     public partial class KeyVaultSecretManager
     {
         public KeyVaultSecretManager() { }
diff --git a/sdk/extensions/Azure.Extensions.AspNetCore.Configuration.Secrets/src/AzureKeyVaultConfigurationSource.cs b/sdk/extensions/Azure.Extensions.AspNetCore.Configuration.Secrets/src/AzureKeyVaultConfigurationSource.cs
index 6f63af7a81ef..5abc14a3a8ef 100644
--- a/sdk/extensions/Azure.Extensions.AspNetCore.Configuration.Secrets/src/AzureKeyVaultConfigurationSource.cs
+++ b/sdk/extensions/Azure.Extensions.AspNetCore.Configuration.Secrets/src/AzureKeyVaultConfigurationSource.cs
@@ -9,11 +9,16 @@ namespace Azure.Extensions.AspNetCore.Configuration.Secrets
     /// <summary>
     /// Represents Azure Key Vault secrets as an <see cref="IConfigurationSource"/>.
     /// </summary>
-    internal class AzureKeyVaultConfigurationSource : IConfigurationSource
+    public class AzureKeyVaultConfigurationSource : IConfigurationSource
     {
         private readonly AzureKeyVaultConfigurationOptions _options;
         private readonly SecretClient _client;
 
+        /// <summary>
+        /// Creates a new instance of <see cref="AzureKeyVaultConfigurationSource"/>.
+        /// </summary>
+        /// <param name="client">The <see cref="SecretClient"/> to use for retrieving values.</param>
+        /// <param name="options">The <see cref="AzureKeyVaultConfigurationOptions"/> to configure provider behaviors.</param>
         public AzureKeyVaultConfigurationSource(SecretClient client, AzureKeyVaultConfigurationOptions options)
         {
             _options = options;