code: func parseEndpoint(endpoint string) (string, error) {
  	if len(endpoint) == 0 {
  		return "", fmt.Errorf("remote KMS provider can't use empty string as endpoint")
  	}
  
  	u, err := url.Parse(endpoint)
  	if err != nil {
  		return "", fmt.Errorf("invalid endpoint %q for remote KMS provider, error: %v", endpoint, err)
  	}
  
  	if u.Scheme != unixProtocol {
  		return "", fmt.Errorf("unsupported scheme %q for remote KMS provider", u.Scheme)
  	}
  
  	// Linux abstract namespace socket - no physical file required
  	// Warning: Linux Abstract sockets have not concept of ACL (unlike traditional file based sockets).
  	// However, Linux Abstract sockets are subject to Linux networking namespace, so will only be accessible to
  	// containers within the same pod (unless host networking is used).
  	if strings.HasPrefix(u.Path, "/@") {
  		return strings.TrimPrefix(u.Path, "/"), nil
  	}
  
  	return u.Path, nil
  }
docs: // Parse the endpoint to extract schema, host or path.