import { W3StorageOption } from "./models";
/**
 * Service de Storage do W3
 * As configurações de storage podem ser alteradas no método `forRoot()` e.g
 *
 *
 *                                               const customConfig: W3Config{
 *                                                  storage: {
 *                                                      drive: 'STORAGE',
 *                                                      prefix: 'adm'
 *                                                  }
 *                                               }
 *
 *
 *                                               {W3Module.forRoot(customConfig)}
 */
export declare class W3StorageService {
    private options;
    private drive;
    constructor(options: W3StorageOption);
    /**
     * retorna a chave com o prefixo
     * @param k
     */
    private key;
    /**
     * Recupera o valor através da chave
     * @param key
     * @param def
     */
    get(key: string, def?: any): any;
    /**
     * Seta um novo valor
     * @param key
     * @param value
     */
    set(key: string, value: any): any;
    /**
     * Excluir o valor
     */
    remove(key: string): void;
}