/**
 * [WHO]: Provides deterministic trace clustering and distilled evidence summaries for evolution candidates
 * [FROM]: Depends on workspace trace JSONL reader and local path labels only
 * [TO]: Consumed by evolution_refine trace sweep candidate creation
 * [HERE]: extensions/optional/evolution/evolution-distillation.ts - non-executable experience evidence boundary
 */
export interface EvolutionTraceEvidenceSlice {
    clusterId: string;
    rootCause: string;
    tracePath: string;
    signals: {
        stopReason?: string;
        outputFingerprint?: string;
        toolCallCount?: number;
        turnCount?: number;
    };
}
export interface EvolutionTraceEvidenceCluster {
    id: string;
    traceCount: number;
    tracePaths: string[];
    rootCause: string;
    signals: EvolutionTraceEvidenceSlice["signals"];
}
export interface EvolutionTraceEvidenceSummary {
    schemaVersion: 1;
    createdBy: "evolution_trace_distillation";
    traceCount: number;
    clusters: EvolutionTraceEvidenceCluster[];
    slicesByTracePath: Record<string, EvolutionTraceEvidenceSlice>;
}
export declare function distillWorkspaceTraceEvidence(cwd: string, tracePaths: readonly string[]): Promise<EvolutionTraceEvidenceSummary>;