BadRequest is 400.

ClientClosed is 499.

Deadline is 504.

Forbidden is 403.

Internal is 500.

IsBadRequest return error is 400.

IsClientClosed return error is 499.

IsDeadline return error is 504.

IsForbidden return error is 403.

IsInternal return error is 500.

IsLimitExceed return error is 429.

IsNotFound return error is 404.

IsNotImplemented return error is 501.

IsOK return error is 200.

IsPreconditionRequired return error is 428.

IsServerClosed return error is 444.

IsServiceUnavailable return error is 503.

IsUnauthorized return error is 401.

IsUnknown return error is 520.

LimitExceed is 429.

New error.

NotFound is 404.

NotImplemented is 501.

OK is 200.

PreconditionRequired is 428.

ServerClosed is 444.

ServiceUnavailable is 503.

Unauthorized is 401.

Unknown is 520.

StatusError is error status.

Code is code.