import { getExecutorRuntimeFingerprint } from '../executors/runtime-fingerprint.js';
import type { Artifact, Report, Sample, Task, VariantResult, GitInfo, EvaluationJob, EvaluationRequest, EvaluationRun, ReportDocument } from '../types/index.js';
export declare const DEFAULT_OUTPUT_DIR: string;
export declare const EVALUATION_REPORT_SCHEMA_VERSION = 5;
export declare function hashString(str: string): string;
export { hashSample } from './sample-fingerprint.js';
export declare function getCliVersion(): string;
export declare function getGitInfo(): GitInfo | null;
export declare function buildExecutorRuntimesByVariant({ variants, model, executorName, tasks, artifacts, request, }: {
    variants: string[];
    model: string;
    executorName: string;
    tasks: Task[];
    artifacts: Artifact[];
    request?: Pick<EvaluationRequest, 'skillDir' | 'timeoutMs'>;
}): Record<string, ReturnType<typeof getExecutorRuntimeFingerprint>>;
interface AggregateReportOptions {
    runId: string;
    variants: string[];
    model: string;
    judgeModel: string;
    noJudge: boolean;
    executorName: string;
    samples: Sample[];
    samplesBaseDir?: string;
    tasks: Task[];
    results: Record<string, Record<string, VariantResult>>;
    totalCostUSD: number;
    artifacts: Artifact[];
    request?: EvaluationRequest;
    run?: EvaluationRun;
    job?: EvaluationJob;
    layeredStats?: boolean;
}
export declare function aggregateReport({ runId, variants, model, judgeModel, noJudge, executorName, samples, samplesBaseDir, tasks, results, totalCostUSD, artifacts, request, run, job, layeredStats, }: AggregateReportOptions): Report;
export type PersistableReport = ReportDocument;
export declare function persistReport(report: PersistableReport, outputDir: string | null): string | null;
/**
 * run id 的时间戳后缀 `YYYYMMDDTHHmmss-rand4`。
 * 含秒 + 4 位随机:id 是 run 标签(非测量数),但被 studio 机器级 dedup 与 managed 证据 (reportId,
 * contentHash) 去重当唯一键用。分钟级会让跨项目 / 同分钟重跑撞同 id → 索引静默顶掉一份、managed 错并一条。
 * 秒+随机根治撞名,保证每次 run 全局唯一。供 generateRunId 与 evolve 合并 id 共用,避免靠 split 反解格式。
 */
export declare function runIdSuffix(): string;
export declare function generateRunId(variants: string[]): string;