docs: private ConcurrentHashMap<String, BaseMethodBinding<?>> getMapForOperation(RestOperationTypeEnum operationType) {
  		ConcurrentHashMap<String, BaseMethodBinding<?>> result = operationBindings.get(operationType);
  		if(result == null) {
  			operationBindings.putIfAbsent(operationType, new ConcurrentHashMap<String, BaseMethodBinding<?>>());
  			return getMapForOperation(operationType);
  		} else {
  			return result;
  		}
  	}