import type { DecompositionResult } from '../../services/slice/slice-decompose-types.js';
export type BenchmarkMetrics = {
    totalMs: number;
    codegraphQueries: number;
    p50ConfidenceDistribution: {
        low: number;
        mid: number;
        high: number;
    };
    inputApproxBytes: {
        prd: number;
    };
    outputJsonBytes: number;
    capturedAt: string;
};
export declare function readPrdBody(rid: string, projectRoot: string): string;
export declare function writeDecompositionFile(rid: string, result: DecompositionResult, projectRoot: string): string;
export declare function writeBenchmarkArtifact(rid: string, benchmark: unknown, projectRoot: string): string;