/**
 * Represents an enhanced `Error`.
 */
export interface EnhancedError extends Error {
    /**
     * The error code, if available.
     */
    code?: number | string;
    /**
     * The request, if available.
     */
    request?: any;
    /**
     * The response, if available.
     */
    response?: any;
    /**
     * The meta data, if available.
     */
    meta?: any;
}
/**
 * Creates an `EnhancedError` object with the specified
 * message, error code, request, response and meta data.
 *
 * @param {string} message The error message.
 * @param {(number | string)} [code] The error code.
 * @param {any} [request] The request.
 * @param {any} [response] The response.
 * @param {any} [meta] The meta data.
 * @returns {Error} The created error.
 */
export declare function createError(message?: string, code?: number | string, request?: any, response?: any, meta?: any): EnhancedError;
/**
 * Enhances an existing `Error` or `EnhancedError` object with the specified
 * error code, request, response and meta data.
 *
 * @param {(Error | EnhancedError)} error The error to enhance.
 * @param {(number | string)} [code] The error code.
 * @param {any} [request] The request.
 * @param {any} [response] The response.
 * @param {any} [meta] The meta data.
 */
export declare function enhanceError(error: Error | EnhancedError, code?: number | string, request?: any, response?: any, meta?: any): EnhancedError;