/**
 * @module Lock
 */
import { type Kysely } from "kysely";
import { type IReadableContext } from "../../../../execution-context/contracts/_module.js";
import { type IDatabaseLockAdapter, type IDatabaseLockTransaction, type ILockData, type ILockExpirationData } from "../../../../lock/contracts/_module.js";
import { type ITimeSpan } from "../../../../time-span/contracts/_module.js";
import { type IDeinitizable, type IInitizable, type InvokableFn, type IPrunable } from "../../../../utilities/_module.js";
/**
 * IMPORT_PATH: `"@daiso-tech/core/lock/kysely-lock-adapter"`
 * @group Adapters
 */
export type KyselyLockTable = {
    key: string;
    owner: string;
    expiration: number | bigint | string | null;
};
/**
 * IMPORT_PATH: `"@daiso-tech/core/lock/kysely-lock-adapter"`
 * @group Adapters
 */
export type KyselyLockTables = {
    lock: KyselyLockTable;
};
/**
 * Configuration for `KyselyLockAdapter`.
 * Requires a Kysely database instance with the lock schema applied.
 *
 * IMPORT_PATH: `"@daiso-tech/core/lock/kysely-lock-adapter"`
 * @group Adapters
 */
export type KyselyLockAdapterSettings = {
    /**
     * The Kysely database instance typed with the required lock table.
     */
    kysely: Kysely<KyselyLockTables>;
    /**
     * @default
     * ```ts
     * import { TimeSpan } from "@daiso-tech/core/time-span";
     *
     * TimeSpan.fromMinutes(1)
     * ```
     */
    expiredKeysRemovalInterval?: ITimeSpan;
    /**
     * When `true`, a background task periodically removes expired lock records.
     * Set to `false` to disable automatic cleanup.
     * @default true
     */
    shouldRemoveExpiredKeys?: boolean;
    /**
     * @default
     * ```ts
     * import { Transaction } from "kysely"
     *
     * !(settings.kysely instanceof Transaction)
     * ```
     */
    enableTransactions?: boolean;
};
/**
 * To utilize the `KyselyLockAdapter`, you must install the [`"kysely"`](https://www.npmjs.com/package/kysely) package and configure a `Kysely` class instance.
 *
 * Note in order to use `KyselyLockAdapter` correctly, ensure you use a single, consistent database across all server instances and use a database that has support for transactions.
 * The adapter have been tested with `sqlite`, `postgres` and `mysql` databases.
 *
 * IMPORT_PATH: `"@daiso-tech/core/lock/kysely-lock-adapter"`
 * @group Adapters
 */
export declare class KyselyLockAdapter implements IDatabaseLockAdapter, IDeinitizable, IInitizable, IPrunable {
    private readonly kysely;
    private readonly expiredKeysRemovalInterval;
    private readonly shouldRemoveExpiredKeys;
    private intervalId;
    private readonly isMysql;
    private readonly enableTransactions;
    /**
     * @example
     * ```ts
     * import { KyselyLockAdapter } from "@daiso-tech/core/lock/kysely-lock-adapter";
     * import Sqlite from "better-sqlite3";
     * import { Kysely, SqliteDialect } from "kysely";
     *
     * const lockAdapter = new KyselyLockAdapter({
     *   kysely: new Kysely({
     *     dialect: new SqliteDialect({
     *       database: new Sqlite("local.db"),
     *     }),
     *   }),
     * });
     * // You need initialize the adapter once before using it.
     * await lockAdapter.init();
     * ```
     */
    constructor(settings: KyselyLockAdapterSettings);
    private _transaction;
    /**
     * Removes all related lock tables and their rows.
     * Note all lock data will be removed.
     */
    deInit(): Promise<void>;
    /**
     * Creates all related tables and indexes.
     * Note the `init` method needs to be called once before using the adapter.
     */
    init(): Promise<void>;
    removeAllExpired(): Promise<void>;
    transaction<TReturn>(_context: IReadableContext, fn: InvokableFn<[
        transaction: IDatabaseLockTransaction
    ], Promise<TReturn>>): Promise<TReturn>;
    remove(_context: IReadableContext, key: string): Promise<ILockExpirationData | null>;
    removeIfOwner(_context: IReadableContext, key: string, lockId: string): Promise<ILockData | null>;
    updateExpiration(_context: IReadableContext, key: string, lockId: string, expiration: Date): Promise<number>;
    find(_context: IReadableContext, key: string): Promise<ILockData | null>;
}