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JavaScript@langchain/langgraph-sdkuiClassToolCallWithResult
Type●Since v1.8

ClassToolCallWithResult

Remaps an SDK ToolCallWithResult so that the toolMessage and aiMessage fields use @langchain/core class instances (CoreToolMessage / CoreAIMessage) instead of plain SDK message objects.

Framework SDKs convert messages to class instances at runtime via ensureMessageInstances; this type reflects that conversion at the type level.

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ClassToolCallWithResult: T extends ToolCallWithResult<
  TC,
  unknown,
  unknown
>  ToolCallWithResult<TC, CoreToolMessage, CoreAIMessage> : T
View source on GitHub