private List<XmlTag> getCollectionSubTags(@NotNull AbstractCollectionChildDescription description, @NotNull XmlTag tag, boolean processIncludes) {
    if (description instanceof CollectionChildDescriptionImpl) {
      return ((CollectionChildDescriptionImpl)description).getCollectionSubTags(this, tag, processIncludes);
    }
    return DomImplUtil.getCustomSubTags(this, tag.getSubTags(), getFile());
  }
private List<XmlTag> getCollectionSubTags(@NotNull AbstractCollectionChildDescription description, @NotNull XmlTag tag, boolean processIncludes)