import type { ChorusJob } from "../jobs.js";
export interface ChorusCheckpoint {
    version: 1;
    jobId: string;
    runId?: string;
    createdAt: number;
    completedVoices: number[];
    artifactHashes: Record<string, string>;
}
export interface ResumePlan {
    reusedVoices: number[];
    rerunVoices: number[];
    rerunConductor: boolean;
    warnings: string[];
}
export declare function createCheckpoint(job: ChorusJob): Promise<ChorusCheckpoint>;
export declare function planResume(checkpoint: ChorusCheckpoint, job: ChorusJob): Promise<ResumePlan>;
export declare function reusableVoiceResults(checkpoint: ChorusCheckpoint, job: ChorusJob): Promise<{
    plan: ResumePlan;
    results: Map<number, NonNullable<ChorusJob["result"]>["voices"][number]>;
}>;