declare class NotFound extends Error { private status; constructor(message?: string); } declare class InternalServerError extends Error { private status; constructor(message?: string); } declare class Forbidden extends Error { private status; constructor(message?: string); } declare class Unauthorized extends Error { private status; constructor(message?: string); } declare class BadRequest extends Error { private status; constructor(message?: string); } export { NotFound, InternalServerError, Forbidden, Unauthorized, BadRequest };