/**
 * Various utilities to work with errors.
 */
export declare class ErrorUtil {
    /**
     * Customize the given error with the additional given message. A new Error will be returned.
     *
     * @param {Error | string} e
     * @param {string} message
     * @returns {Error}
     */
    static customize(e: Error | string, message: string): Error;
    /**
     * Stringifies an object including Errors (which cannot be stringified with JSON.stringify).
     *
     * @param obj
     * @returns {string}
     */
    static stringify(obj: any): string;
    /**
     * Gets a developer-friendly string from an Error that can be printed out into the console or in the logs.
     *
     * @param {Error | string} messageOrError
     * @returns {string}
     */
    static getPrintableError(messageOrError: Error | string): string;
    /**
     * Gets the name of a class or an object that can be used in Error objects and for debugging purposes.
     *
     * @param objectOrPrototype
     * @returns {string}
     */
    static getDebugName(objectOrPrototype: any): string;
    /**
     * Logs any uncaught exceptions and unhandled promise rejections.
     *
     * Generally, it is a bad practice to just log uncaught errors and move on. It is recommended that, in a server
     * environment, you supply a callback that when called will prevent any new server requests and drain the current
     * connections, and finally do a process.exit(1).
     */
    static logUncaughtExceptionsAndUnhandledRejections(callback?: (thrown: any) => void): void;
    /**
     * Makes sure Errors can be serialized.
     *
     * @param obj
     * @returns {object}
     */
    private static recursivePropertyFinder;
}