/**
 * Internal helper class that logs output both to console (when inspecting app or window) and runtime's debug.log file.
 */
export declare class Log {
    private static LOG_PREFIX;
    static error(message: string): Promise<void>;
    static warn(message: string): Promise<void>;
    static info(message: string): Promise<void>;
    private static getPrefixedMessage;
    private static handleError;
}