docs: public <T extends CommandOutput<?, ?, ?>> void register(Class<T> commandOutputClass,
              CommandOutputFactory commandOutputFactory) {
  
          LettuceAssert.notNull(commandOutputClass, "CommandOutput class must not be null");
          LettuceAssert.notNull(commandOutputFactory, "CommandOutputFactory must not be null");
  
          register(registry, commandOutputClass, commandOutputFactory);
      }