/**
 * Prints a line into the console (stdout).
 *
 * @param {string} [message='']
 * @returns {Promise<any>}
 */
export declare function printLine(message?: string): Promise<any>;
/**
 * Print an info line on the console (in green color).
 *
 * @param {string} [message='']
 * @returns {Promise<any>}
 */
export declare function printInfo(message?: string): Promise<any>;
/**
 * Prints a message into the console (stdout).
 *
 * @param {string} message
 * @returns {Promise<any>}
 */
export declare function print(message: string): Promise<any>;
/**
 * Prints an error message with stack trace available
 * into the stderr.
 *
 * @param {any} error
 * @param {boolean} [stacktrace=true]
 * @returns {Promise<any>}
 */
export declare function printError(error: any, stacktrace?: boolean): Promise<any>;