package errors type credentialsConfigurationError struct { causingError error } func (err *credentialsConfigurationError) Error() string { return err.causingError.Error() } // NewCredentialsConfigurationError wraps any error into a credentials configuration error. func NewCredentialsConfigurationError(err error) error { return &credentialsConfigurationError{causingError: err} } // IsCredentialsConfigurationError checks if the given error is a wrapped credentials configuration error. func IsCredentialsConfigurationError(err error) bool { _, ok := err.(*credentialsConfigurationError) return ok }