import UpgradeOpts from './IUpgradeOpts';
/**
 * Interface used to perform software upgrades.
 *
 * @interface IDeviceUpgrader
 */
export default interface IDeviceUpgrader {
    /**
     * Initializes the upgrader with all the necessary upgrade options such as filepath,
     * verbose level etc.
     *
     * @param {*} opts Upgrade options
     * @memberof IDeviceUpgrader
     */
    init(opts: UpgradeOpts): void;
    /**
     * Initiate the upgrade process on the target device.
     * Use event handlers to track the upgrade progress.
     *
     * @memberof IDeviceUpgrader
     */
    start(): Promise<void>;
    /**
     * EventEmitter `on` listener
     *
     * @param {string} message The message use to setup the listener for
     * @param {*} callback A callback used to perform actions on the caught event
     * @memberof Transportable
     */
    on(message: string, callback: any): any;
    /**
     * EventEmitter `once` listener
     *
     * @param {string} message The message use to setup the listener for
     * @param {*} callback A callback used to perform actions on the caught event
     * @memberof Transportable
     */
    once(message: string, callback: any): any;
    /**
     * EventEmitter `removeListener`
     *
     * @param {string} message The message use to remove  the listener for
     * @param {*} callback
     * @memberof Transportable
     */
    removeListener(message: string, callback: any): any;
    /**
     * Verifies if camera performed a valid upgrade
     *
     * @returns {Promise<booleean>} A `Promise` that resolves when upgrade is valid
     * @memberof IDeviceUpgrader
     */
    upgradeIsValid(): Promise<boolean>;
}