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JavaScript@langchain/langgraph-sdkstreamInferToolOutput
Type●Since v1.9

InferToolOutput

Infer the successful return type of a LangChain tool.

Resolution order mirrors InferToolInput: func, then invoke, then _call, so inference survives cross-package boundaries where _call is protected.

Copy
InferToolOutput: T extends __type  Out : T extends __type  UnwrapToolFuncOutput<
  R
> : T extends __type  Out : T extends __type  UnwrapToolFuncOutput<R> : unknown
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