@langchain/core/dist/tracers/trace_policy.d.ts

Core LangChain.js abstractions and schemas

import { KVMap } from "langsmith/schemas";
/**
 * Transforms what `LangChainTracer` sends to LangSmith for a run. Execution
 * values and every other callback handler (including `streamEvents`) still
 * see the raw inputs and outputs. Processors receive the recorded values by
 * reference and must not mutate them.
 */
export interface TracePolicy {
  processInputs?: (inputs: KVMap) => KVMap;
  processOutputs?: (outputs: KVMap) => KVMap;
}
/**
 * Records an empty payload while keeping the run, its timing, and its children.
 * Use as `processInputs` and/or `processOutputs` in a {@link TracePolicy}.
 */
export declare function omitPayload(_payload: KVMap): KVMap;
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