code: public static <K> Consumer<K> from(K group, K name) {
  
          LettuceAssert.notNull(group, "Group must not be null");
          LettuceAssert.notNull(name, "Name must not be null");
  
          return new Consumer<>(group, name);
      }
docs: Create a new consumer.
  
  @param group name of the consumer group, must not be {@literal null} or empty.
  @param name name of the consumer, must not be {@literal null} or empty.
  @return the consumer {@link Consumer} object.