import type { EventEnvelope } from "../statelog/wireTypes.js";
import type { EvalRecord } from "./types.js";
export type ExtractOptions = {
    /** Max characters for tool argsPreview / outputPreview. Default 200.
     *  Pass 0 for "no truncation". */
    previewChars?: number;
    /** How to infer the agent output when `evalOutput()` was not called:
     *   - "llm" (default): the last LLM completion on the top-level thread, with a warning.
     *   - "returnValue": the entry node's return value (from `agentEnd`), with no warning.
     *  Explicit `evalOutput()` calls always take precedence. The optimizer uses
     *  "returnValue" because it grades what the node returns, not its last LLM reply. */
    outputFallback?: "llm" | "returnValue";
    /** Emit the "no evalValue()" warning when `evalValue()` was not called. Default true.
     *  The optimizer sets this false: inputs come from the input spec, not evalValue(). */
    warnMissingValue?: boolean;
};
/** Top-level extractor. Composes pure helpers over the Normalized
 *  form produced by `normalize()`; no shared mutable state, no
 *  threading of `t0` through helpers, no direct wire-format reads
 *  outside the accessor layer. */
export declare function extractEvalRecord(events: EventEnvelope[], source: string, opts?: ExtractOptions): EvalRecord;