/**
 * [WHO]: Deterministic task-cluster bootstrap comparison and integrity-bound promotion reports
 * [FROM]: Depends on node crypto plus benchmark contracts and fail-closed pair validation
 * [TO]: Consumed by the offline benchmark CLI, evolution gate, store, and tests
 * [HERE]: extensions/optional/evolution/benchmark-comparison.ts - real-task effectiveness authority
 */
import type { EvolutionBenchmarkPolicyV1, EvolutionBenchmarkPromotionReportV1 } from "./benchmark-types.js";
export declare const DEFAULT_EVOLUTION_BENCHMARK_POLICY: EvolutionBenchmarkPolicyV1;
export declare function evolutionCandidateContentHash(artifacts: unknown): string;
export declare function compareEvolutionBenchmarks(baselineInput: unknown, candidateInput: unknown, policy: EvolutionBenchmarkPolicyV1, options: {
    candidateId: string;
    baselineRevisionId: string | null;
    checkedAt?: string;
}): EvolutionBenchmarkPromotionReportV1;
export declare function verifyEvolutionBenchmarkReport(value: unknown, candidateId: string, candidateContentHash: string, baselineRevisionId: string | null): value is EvolutionBenchmarkPromotionReportV1;