/**
 * @module Lock
 */
import { type CollectionOptions, type Db, type ObjectId } from "mongodb";
import { type IReadableContext } from "../../../../execution-context/contracts/_module.js";
import { type ILockAdapter, type ILockAdapterState } from "../../../../lock/contracts/_module.js";
import { type TimeSpan } from "../../../../time-span/implementations/_module.js";
import { type IDeinitizable, type IInitizable } from "../../../../utilities/_module.js";
/**
 * Configuration for `MongodbLockAdapter`.
 * Requires a MongoDB `Db` instance.
 *
 * IMPORT_PATH: `"@daiso-tech/core/lock/mongodb-lock-adapter"`
 * @group Adapters
 */
export type MongodbLockAdapterSettings = {
    /**
     * The MongoDB `Db` instance to store lock state in.
     */
    database: Db;
    /**
     * Name of the MongoDB collection used to store lock records.
     * @default "lock"
     */
    collectionName?: string;
    /**
     * Additional options passed when creating or accessing the MongoDB collection.
     */
    collectionSettings?: CollectionOptions;
};
/**
 * IMPORT_PATH: `"@daiso-tech/core/lock/mongodb-lock-adapter"`
 * @group Adapters
 */
export type MongodbLockDocument = {
    _id: ObjectId;
    key: string;
    owner: string;
    expiration: Date | null;
};
/**
 * To utilize the `MongodbLockAdapter`, you must install the [`"mongodb"`](https://www.npmjs.com/package/mongodb) package.
 *
 * Note in order to use `MongodbLockAdapter` correctly, ensure you use a single, consistent database across all server instances.
 *
 * IMPORT_PATH: `"@daiso-tech/core/lock/mongodb-lock-adapter"`
 * @group Adapters
 */
export declare class MongodbLockAdapter implements ILockAdapter, IDeinitizable, IInitizable {
    private readonly collection;
    /**
     * @example
     * ```ts
     * import { MongodbLockAdapter } from "@daiso-tech/core/lock/mongodb-lock-adapter";
     * import { MongoClient } from "mongodb";
     *
     * const client = await MongoClient.connect("YOUR_MONGODB_CONNECTION_STRING");
     * const database = client.db("database");
     * const lockAdapter = new MongodbLockAdapter({
     *   database
     * });
     * // You need initialize the adapter once before using it.
     * await lockAdapter.init()
     * ```
     */
    constructor(settings: MongodbLockAdapterSettings);
    /**
     * Creates all related indexes.
     * Note the `init` method needs to be called once before using the adapter.
     */
    init(): Promise<void>;
    /**
     * Removes the collection where the lock keys are stored and all it's related indexes.
     * Note all lock data will be removed.
     */
    deInit(): Promise<void>;
    acquire(_context: IReadableContext, key: string, lockId: string, ttl: TimeSpan | null): Promise<boolean>;
    release(_context: IReadableContext, key: string, lockId: string): Promise<boolean>;
    forceRelease(_context: IReadableContext, key: string): Promise<boolean>;
    refresh(_context: IReadableContext, key: string, lockId: string, ttl: TimeSpan): Promise<boolean>;
    getState(_context: IReadableContext, key: string): Promise<ILockAdapterState | null>;
}