/**
 * @name FileChooser
 * @description
 *
 * Opens the file picker on Android for the user to select a file, returns a file URI.
 *
 * @usage
 * ```
 * import {FileChooser} from 'ionic-native';
 *
 * FileChooser.open()
 *   .then(uri => console.log(uri))
 *   .catch(e => console.log(e));
 *
 * ```
 */
export declare class FileChooser {
    /**
     * Open a file
     * @returns {Promise<string>}
     */
    static open(): Promise<string>;
}