private static FlushMode getFlushMode(String flushMode) {
   if (flushMode == null) {
     return null;
   }
   flushMode = flushMode.toUpperCase();
   return FlushMode.parse(flushMode);
 }
 private static FlushMode convertFlushMode(Object object) {
   if (object == null) {
     return null;
   }
   if (object instanceof FlushMode) {
     return (FlushMode) object;
   }
   return FlushMode.parse(String.valueOf(object));
 }