export interface IdleCompactionOptions {
    idleMs: number;
    cooldownMs: number;
    timeoutMs: number;
}
export type IdleCompactionOutcome = 'committed' | 'skipped' | 'stale';
type Job = (signal: AbortSignal, isCurrent: () => boolean) => Promise<IdleCompactionOutcome>;
/** Generation checks protect commits even when a provider ignores cancellation. */
export declare class IdleCompactionScheduler {
    private readonly states;
    private running;
    private disposed;
    private readonly metrics;
    getMetrics(): {
        committed: number;
        skipped: number;
        stale: number;
        cancelled: number;
        failed: number;
    };
    interrupt(conversationId: string): void;
    beginTurn(conversationId: string): number;
    endTurn(conversationId: string, generation: number, job?: Job, options?: IdleCompactionOptions): void;
    cancelAll(): void;
    dispose(): void;
    private drain;
}
export {};