declare class ApiError extends Error { private httpCode_; constructor(message: string, httpCode?: number); get httpCode(): number; } export declare class ErrorMethodNotAllowed extends ApiError { constructor(message?: string); } export declare class ErrorNotFound extends ApiError { constructor(message?: string); } export declare class ErrorForbidden extends ApiError { constructor(message?: string); } export declare class ErrorBadRequest extends ApiError { constructor(message?: string); } export {};