feat: add constructor to allow setting cache control on tool result content

src/AnthropicClient/Models/ToolResultContent.cs

@@ -23,6 +23,12 @@ public class ToolResultContent : Content
   [JsonConstructor]
   internal ToolResultContent() : base(ContentType.ToolResult) { }
 
+  private void Validate(string toolUseId, string content)
+  {
+    ArgumentValidator.ThrowIfNull(toolUseId, nameof(toolUseId));
+    ArgumentValidator.ThrowIfNull(content, nameof(content));
+  }
+
   /// <summary>
   /// Initializes a new instance of the <see cref="ToolResultContent"/> class.
   /// </summary>
@@ -32,10 +38,26 @@ public class ToolResultContent : Content
   /// <returns>A new instance of the <see cref="ToolResultContent"/> class.</returns>
   public ToolResultContent(string toolUseId, string content) : base(ContentType.ToolResult)
   {
-    ArgumentValidator.ThrowIfNull(toolUseId, nameof(toolUseId));
+    Validate(toolUseId, content);
-    ArgumentValidator.ThrowIfNull(content, nameof(content));
 
     ToolUseId = toolUseId;
     Content = content;
   }
+
+    /// <summary>
+  /// Initializes a new instance of the <see cref="ToolResultContent"/> class.
+  /// </summary>
+  /// <param name="toolUseId">The tool use ID of the content.</param>
+  /// <param name="content">The content of the tool result.</param>
+  /// <param name="cacheControl">The cache control to be used for the content.</param>
+  /// <exception cref="ArgumentNullException">Thrown when the tool use ID or content is null.</exception>
+  /// <returns>A new instance of the <see cref="ToolResultContent"/> class.</returns>
+  public ToolResultContent(string toolUseId, string content, CacheControl cacheControl) : base(ContentType.ToolResult)
+  {
+    Validate(toolUseId, content);
+
+    ToolUseId = toolUseId;
+    Content = content;
+    CacheControl = cacheControl;
+  }
 }