import { MongoClient } from "mongodb";
import { ILockCallback, ILockManagerOptions } from "../types";
export declare class LockManager {
    readonly mongoClient: MongoClient;
    readonly dbName: string;
    readonly collectionName: string;
    readonly expiresIn: number;
    readonly maxRetry: number;
    readonly retryDelay: number;
    constructor(options: ILockManagerOptions);
    startLock<T extends any>(lockKey: string, callback: ILockCallback<T>): Promise<{
        value: T;
    }>;
    createCollection(): Promise<void>;
    dropCollection(): Promise<void>;
}