import type { JudgeCallFn, JudgeCallOptions, JudgeMessage } from "../../config/types.js";
/** Options for the in-memory judge cache. */
export interface JudgeCacheOptions {
    /** Maximum cache entries. Evicts oldest entry when exceeded. @default 1000 */
    readonly maxEntries?: number | undefined;
}
/**
 * Wraps a JudgeCallFn with in-memory memoization.
 *
 * Cache key: SHA-256 of (messages + model + maxTokens).
 * Only caches calls with temperature 0 (or undefined, which defaults to 0).
 * Non-zero temperature calls pass through uncached (non-deterministic).
 *
 * @example
 * ```ts
 * import { createCachingJudge, defineConfig } from "agent-eval-kit";
 *
 * const cachedJudge = createCachingJudge(myJudgeCall);
 * defineConfig({ judge: { call: cachedJudge } });
 * ```
 */
export declare function createCachingJudge(judge: JudgeCallFn, options?: JudgeCacheOptions): JudgeCallFn;
/** Computes a SHA-256 cache key from judge messages, model, and maxTokens. Temperature is excluded since only temperature-0 calls are cached. */
export declare function computeCacheKey(messages: readonly JudgeMessage[], options?: JudgeCallOptions): string;
//# sourceMappingURL=judge-cache.d.ts.map