code: public void put(String entityTypeId, Entity entity) {
      CombinedEntityCache entityCache = caches.get();
      if (entityCache != null) {
        entityCache.put(entity);
        LOG.trace(
            "Added dehydrated row [{}] from entity {} to the L1 cache",
            entity.getIdValue(),
            entityTypeId);
      }
    }
docs: Puts an entity into the L1 cache, if the cache exists for the current thread.
  
  @param entityTypeId name of the entity to put into the cache
  @param entity the entity to put into the cache