Using usings

Author: aaronpowell

src/ModelContextProtocol/Protocol/Types/RequestParams.cs

@@ -1,6 +1,8 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System.Text.Json.Serialization;
+
 namespace ModelContextProtocol.Protocol.Types;
 
 /// <summary>
@@ -12,6 +14,6 @@ public abstract class RequestParams
     /// <summary>
     /// Metadata related to the tool invocation.
     /// </summary>
-    [System.Text.Json.Serialization.JsonPropertyName("_meta")]
+    [JsonPropertyName("_meta")]
     public RequestParamsMetadata? Meta { get; init; }
 }

src/ModelContextProtocol/Protocol/Types/RequestParamsMetadata.cs

@@ -1,6 +1,8 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System.Text.Json.Serialization;
+
 namespace ModelContextProtocol.Protocol.Types;
 
 /// <summary>
@@ -11,6 +13,6 @@ public class RequestParamsMetadata
     /// <summary>
     /// If specified, the caller is requesting out-of-band progress notifications for this request (as represented by notifications/progress). The value of this parameter is an opaque token that will be attached to any subsequent notifications. The receiver is not obligated to provide these notifications.
     /// </summary>
-    [System.Text.Json.Serialization.JsonPropertyName("progressToken")]
+    [JsonPropertyName("progressToken")]
     public object ProgressToken { get; set; } = default!;
 }