declare class DBCache {
    private _cacheTable;
    private _v0x;
    private _maxAddress;
    private _maxLength;
    private _db;
    provider(): string;
    all(): Promise<any[]>;
    exists(key: string): Promise<boolean>;
    get(key: string): Promise<any>;
    set(key: string, value: any, ms: number): Promise<void>;
    clear(): Promise<void>;
    delete(key: string): Promise<void>;
    private _addressNumber;
    private _checkTableCacheExists;
    private _safetyJsonParse;
}
export { DBCache };
export default DBCache;