default List<YAMLPsiElement> getYAMLElements() {
    final ArrayList<YAMLPsiElement> result = new ArrayList<>();
    for (ASTNode node : getNode().getChildren(null)) {
      final PsiElement psi = node.getPsi();
      if (psi instanceof YAMLPsiElement){
        result.add((YAMLPsiElement) psi);
      }
    }
    return result;
  }
default List<YAMLPsiElement> getYAMLElements()