langchain/dist/agents/transformers/tool-call.d.ts

Typescript bindings for langchain

import { Namespace, NativeStreamTransformer, ToolCallStream } from "@langchain/langgraph";
interface ToolCallProjection {
  toolCalls: AsyncIterable<ToolCallStream>;
}
/**
 * Creates a native transformer that correlates `tools` channel events
 * into per-call {@link ToolCallStream} objects.
 *
 * Marked `__native: true` — projection keys land directly on the
 * `GraphRunStream` instance as `run.toolCalls`.
 */
export declare function createToolCallTransformer(path: Namespace): () => NativeStreamTransformer<ToolCallProjection>;
export {};
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