/**
 * The base of custom errors in ES6. Extend this class if you want to create a new error type.
 *
 * @see http://stackoverflow.com/a/32749533
 */
declare class BaseError extends Error {
    readonly key: string;
    readonly message: string;
    readonly isWtg = true;
    readonly name: string;
    constructor(key: string, message: string);
    get formattedMessage(): string;
    print(): void;
}
export default BaseError;