/**
 * Api error
 */
export declare class ApiError extends Error {
    /**
     * @property {number} statusCode Status code
     */
    readonly statusCode: number;
    /**
     * @property {string} reasonPhrase Reason
     */
    readonly reasonPhrase: string;
    /**
     * @property {string} reasonDetail Detailed reason
     */
    readonly reasonDetail: string;
    /**
     * Creates an instance
     * @param {number} statusCode Status code
     * @param {string} reasonPhrase Reason
     * @param {string} [reasonDetail] Detailed reason
     */
    constructor(statusCode: number, reasonPhrase: string, reasonDetail?: string);
    private static toString;
}