code: public ArrayList<OvhFieldInformation> contact_contactId_fields_GET(Long contactId) throws IOException {
  		String qPath = "/me/contact/{contactId}/fields";
  		StringBuilder sb = path(qPath, contactId);
  		String resp = exec(qPath, "GET", sb.toString(), null);
  		return convertTo(resp, t8);
  	}
docs: Display mandatory/read-only informations of a contact
  
  REST: GET /me/contact/{contactId}/fields
  @param contactId [required] Contact Identifier