New creates a new Error instance.

BlameServer describes the error was caused by server internally and therefore shall blame the server.

BlameUser describes the error was caused by user and the status code shall blame the user.

ErrInvalidServer describes an error in which a malformed `server` provided.

Error describes an error with several metadata to describe such error.

WrappedError wraps Error for the client to be able to easily distinguish successful responses and error responses.