/**
 * Shared helpers for the LLM stages (precision filter, governance grader,
 * maturity judge). Extracted once a third stage appeared, per the note in
 * filter-stage.ts / layer4-stage.ts.
 */
/** Parse JSON from an LLM response: fenced ```json, any fenced block, or bare. */
export declare function extractJson(text: string): unknown;
/** Reject a promise if it does not settle within `ms` milliseconds. */
export declare function withTimeout<T>(p: Promise<T>, ms: number): Promise<T>;