import { InitOptions } from 'node-persist';
export declare class NodeStorage {
    private options;
    constructor(options?: InitOptions);
    static clearPersistData(): Promise<boolean>;
    static delPersistData(key: string): Promise<boolean>;
    static getPersistData(key: string): Promise<any>;
    static setPersistData(key: string, value: any): Promise<boolean>;
    clearStorageData(): Promise<boolean>;
    getStorageData(key: string): Promise<any>;
    setStorageData(key: string, value: any): Promise<boolean>;
}