/**
 * @module Cache
 */
import { type ICacheData, type ICacheInsert, type ICacheUpdate, type IDatabaseCacheAdapter } from "../../../../cache/contracts/_module-exports.js";
import type { ISerde } from "../../../../serde/contracts/_module-exports.js";
import type { IDeinitizable, IInitizable, IPrunable } from "../../../../utilities/_module-exports.js";
import { TimeSpan } from "../../../../utilities/_module-exports.js";
import type { Kysely } from "kysely";
/**
 * @internal
 */
type KyselyCacheTable = {
    key: string;
    value: string;
    expiration: number | null;
};
/**
 * @internal
 */
type KyselyTables = {
    cache: KyselyCacheTable;
};
/**
 * @internal
 */
type KyselySettings = {
    database: Kysely<KyselyTables>;
    serde: ISerde<string>;
    /**
     * @default {false}
     */
    disableTransaction?: boolean;
    /**
     * @default
     * ```ts
     * TimeSpan.fromMinutes(1)
     * ```
     */
    expiredKeysRemovalInterval?: TimeSpan;
    /**
     * @default {true}
     */
    shouldRemoveExpiredKeys?: boolean;
};
/**
 * @internal
 */
export declare class KyselyCacheAdapter<TType = unknown> implements IDatabaseCacheAdapter<TType>, IInitizable, IDeinitizable, IPrunable {
    private static filterUnexpiredKeys;
    private static filterExpiredKeys;
    private readonly serde;
    private readonly database;
    private readonly shouldRemoveExpiredKeys;
    private readonly expiredKeysRemovalInterval;
    private timeoutId;
    private readonly disableTransaction;
    constructor(settings: KyselySettings);
    removeAllExpired(): Promise<void>;
    init(): Promise<void>;
    deInit(): Promise<void>;
    find(key: string): Promise<ICacheData<TType> | null>;
    insert(data: ICacheInsert<TType>): Promise<void>;
    private transaction;
    upsert(data: ICacheInsert<TType>): Promise<ICacheData<TType> | null>;
    updateExpired(data: ICacheInsert<TType>): Promise<number>;
    updateUnexpired(data: ICacheUpdate<TType>): Promise<number>;
    incrementUnexpired(data: ICacheUpdate<number>): Promise<number>;
    removeExpiredMany(keys: string[]): Promise<number>;
    removeUnexpiredMany(keys: string[]): Promise<number>;
    removeAll(): Promise<void>;
    removeByKeyPrefix(prefix: string): Promise<void>;
}
export {};