docs: public <T> FluentValidator onEach(Collection<T> t) {
          if (CollectionUtil.isEmpty(t)) {
              lastAddCount = 0;
              return this;
          }
  
          MultiValidatorElement multiValidatorElement = null;
          for (T element : t) {
              multiValidatorElement = doOn(element);
              lastAddCount += multiValidatorElement.size();
          }
          LOGGER.debug(
                  String.format("Total %d of %s will be performed", t.size(), multiValidatorElement));
          return this;
      }