public static String formatExtConfigConfBuffAttributes(
     String separator, CFAsteriskExtConfigConfBuff buff) {
   String retval =
       CFAsteriskXMsgConfigurationFileMessageFormatter.formatConfigurationFileBuffAttributes(
               separator, buff)
           + CFLibXmlUtil.formatRequiredXmlString(
               separator, "FileContents", buff.getRequiredFileContents());
   return (retval);
 }
 public static String formatExtConfigConfRqstDelete(
     String separator, CFAsteriskExtConfigConfBuff buff) {
   String retval =
       "<RqstExtConfigConfDelete "
           + formatConfigurationFilePKeyAttributes(separator, buff)
           + CFLibXmlUtil.formatRequiredInt32(separator, "Revision", buff.getRequiredRevision())
           + " />";
   return (retval);
 }