code: public K find(final V id) {
          final V keyValue = keyForValue(id);
          
          if (inverse.containsKey(keyValue)) {
              return inverse.get(keyValue);
          }
          
          if (log.isDebugEnabled()) {
          	log.debug("Enum with value " + id + " not found");
          }
          
          return null;
      }
docs: Finds the given ID and returns the corresponding enumerate value