docs: public T getObjectFromNameClassPair(NameClassPair nameClassPair) throws NamingException {
  		if (!(nameClassPair instanceof Binding)) {
  			throw new IllegalArgumentException("Parameter must be an instance of Binding");
  		}
  
  		Binding binding = (Binding) nameClassPair;
          Object object = binding.getObject();
          if (object == null) {
              throw new ObjectRetrievalException(
                      "Binding did not contain any object.");
          }
          return mapper.mapFromContext(object);
      }