docs: public void put(DelayableImmutableMessage delayableImmutableMessage) {
          if (messagePersister.persist(messageQueueId, delayableImmutableMessage)) {
              logger.trace("Message {} was persisted for messageQueueId {}",
                           delayableImmutableMessage.getMessage(),
                           messageQueueId);
          } else {
              logger.trace("Message {} was not persisted for messageQueueId {}",
                           delayableImmutableMessage.getMessage(),
                           messageQueueId);
          }
          delayableImmutableMessages.put(delayableImmutableMessage);
      }