/**
  * Returns the entity definition as an XML based on name.
  *
  * @param type entity type
  * @param entityName entity name
  * @return String
  */
 public String getEntityDefinition(String type, String entityName) {
   try {
     EntityType entityType = EntityType.getEnum(type);
     Entity entity = configStore.get(entityType, entityName);
     if (entity == null) {
       throw new NoSuchElementException(entityName + " (" + type + ") not found");
     }
     return entity.toString();
   } catch (Throwable e) {
     LOG.error(
         "Unable to get entity definition from config store for ({}): {}", type, entityName, e);
     throw FalconWebException.newException(e, Response.Status.BAD_REQUEST);
   }
 }