126   fail?: (data: string, code: number) => void;  property
188   fail?: (data: string, code: number) => void;  property
248   fail?: (data: string, code: number) => void;  property
305   fail?: (data: string, code: number) => void;  property
352   fail?: (data: string, code: number) => void;  property
426   fail?: (data: string, code: number) => void;  property
518   fail?: (data: string, code: number) => void;  property
593   fail?: (data: string, code: number) => void;  property
675   fail?: (data: string, code: number) => void;  property
722   fail?: (data: string, code: number) => void;  property
780   fail?: (data: string, code: number) => void;  property
837   fail?: (data: string, code: number) => void;  property