type Status = "idle" | "running" | "failed" | "finished" | "aborted";
interface Workflow {
    id: string;
    handler: string;
    input: unknown;
    status: Status;
    timeoutAt?: Date;
    failures?: number;
    lastError?: string;
    steps?: {
        [key: string]: unknown;
    };
    naps?: {
        [key: string]: Date;
    };
}
type RunData = Pick<Workflow, "handler" | "input" | "failures">;
export declare function makeMongoPersistence(url: string): {
    init: () => Promise<void>;
    insert: (workflowId: string, handler: string, input: unknown) => Promise<boolean>;
    claim: (now: Date, timeoutAt: Date) => Promise<string | undefined>;
    findOutput: (workflowId: string, stepId: string) => Promise<unknown>;
    findWakeUpAt: (workflowId: string, napId: string) => Promise<Date | undefined>;
    findRunData: (workflowId: string) => Promise<RunData | undefined>;
    setAsFinished: (workflowId: string) => Promise<void>;
    findStatus: (workflowId: string) => Promise<Status | undefined>;
    updateStatus: (workflowId: string, status: Status, timeoutAt: Date, failures: number, lastError: string) => Promise<void>;
    updateOutput: (workflowId: string, stepId: string, output: unknown, timeoutAt: Date) => Promise<void>;
    updateWakeUpAt: (workflowId: string, napId: string, wakeUpAt: Date, timeoutAt: Date) => Promise<void>;
    terminate: () => Promise<void>;
};
export {};