import { a as DatabaseAdapter, c as DatabaseOptions } from '../../drivers-ClN4eGOp.js';
import 'knex';
import 'kysely';
import 'ioredis';
import '@aws-sdk/client-dynamodb';

/**
 * A store that uses a database to store locks
 *
 * You should provide an adapter that will handle the database interactions
 */
declare class DatabaseStore {
    #private;
    constructor(adapter: DatabaseAdapter, config: DatabaseOptions);
    /**
     * Save the lock in the store if not already locked by another owner
     *
     * We basically rely on primary key constraint to ensure the lock is
     * unique.
     *
     * If the lock already exists, we check if it's expired. If it is, we
     * update it with the new owner and expiration date.
     */
    save(key: string, owner: string, ttl: number | null): Promise<boolean>;
    /**
     * Delete the lock from the store if it is owned by the owner
     * Otherwise throws a E_LOCK_NOT_OWNED error
     */
    delete(key: string, owner: string): Promise<void>;
    /**
     * Force delete the lock from the store. No check is made on the owner
     */
    forceDelete(key: string): Promise<void>;
    /**
     * Extend the lock expiration. Throws an error if the lock is not owned by the owner
     * Duration is in milliseconds
     */
    extend(key: string, owner: string, duration: number): Promise<void>;
    /**
     * Check if the lock exists
     */
    exists(key: string): Promise<boolean>;
}

export { DatabaseStore };