import { StorageOptions, StorageProvider } from '../types';
/**
 * Provide storage methods to use AWS S3
 */
export default class AWSS3Provider implements StorageProvider {
    static CATEGORY: string;
    static PROVIDER_NAME: string;
    /**
     * @private
     */
    private _config;
    /**
     * Initialize Storage with AWS configurations
     * @param {Object} config - Configuration object for storage
     */
    constructor(config?: StorageOptions);
    /**
     * get the category of the plugin
     */
    getCategory(): string;
    /**
     * get provider name of the plugin
     */
    getProviderName(): string;
    /**
     * Configure Storage part with aws configuration
     * @param {Object} config - Configuration of the Storage
     * @return {Object} - Current configuration
     */
    configure(config?: any): object;
    /**
    * Get a presigned URL of the file or the object data when download:true
    *
    * @param {String} key - key of the object
    * @param {Object} [config] - { level : private|protected|public, download: true|false }
    * @return - A promise resolves to Amazon S3 presigned URL on success
    */
    get(key: string, config?: any): Promise<String | Object>;
    /**
     * Put a file in S3 bucket specified to configure method
     * @param {String} key - key of the object
     * @param {Object} object - File to be put in Amazon S3 bucket
     * @param {Object} [config] - { level : private|protected|public, contentType: MIME Types,
     *  progressCallback: function }
     * @return - promise resolves to object on success
     */
    put(key: string, object: any, config?: any): Promise<Object>;
    /**
     * Remove the object for specified key
     * @param {String} key - key of the object
     * @param {Object} [config] - { level : private|protected|public }
     * @return - Promise resolves upon successful removal of the object
     */
    remove(key: string, config?: any): Promise<any>;
    /**
     * List bucket objects relative to the level and prefix specified
     * @param {String} path - the path that contains objects
     * @param {Object} [config] - { level : private|protected|public }
     * @return - Promise resolves to list of keys for all objects in path
     */
    list(path: any, config?: any): Promise<any>;
    /**
     * @private
     */
    _ensureCredentials(): any;
    /**
     * @private
     */
    private _prefix;
    /**
     * @private
     */
    private _createS3;
}