code: public final void addAllHelperTexts(@NonNull final Collection<CharSequence> helperTexts) {
          Condition.INSTANCE.ensureNotNull(helperTexts, "The collection may not be null");
  
          for (CharSequence helperText : helperTexts) {
              addHelperText(helperText);
          }
      }
docs: Adds all helper texts, which are contained by a specific collection. The helper texts are
  added in the given order.
  
  @param helperTexts
  A collection, which contains the helper texts, which should be added, as an instance
  of the type {@link Collection} or an empty collection, if no helper texts should be
  added