Unknown error. An example of where this error may be returned is if a Status value received from another address space belongs to an error-space that is not known in this address space. Also errors raised by APIs that do not return enough error information may be converted to this error.
return e.code } return codes.Unknown }
} return Errorf(codes.Unknown, "%v", err) }
return codes.PermissionDenied } return codes.Unknown }