export interface UnclaimedBackgroundRunSweepResult {
    scanned: number;
    attempted: number;
    redispatched: number;
    reaped: number;
    failed: number;
    truncated: boolean;
}
export declare function sweepUnclaimedBackgroundRuns(options?: {
    now?: number;
    reapExpired?: boolean;
}): Promise<UnclaimedBackgroundRunSweepResult>;