@NotNull
  @Override
  public GrDocReferenceElement createDocReferenceElementFromFQN(@NotNull String qName) {
    PsiFile file = createGroovyFileChecked("/** @see " + qName + " */");
    PsiElement element = file.getFirstChild();
    assert element instanceof GrDocComment;
    GrDocTag tag = PsiTreeUtil.getChildOfType(element, GrDocTag.class);
    assert tag != null : "Doc tag points to null";
    return PsiTreeUtil.getChildOfType(tag, GrDocReferenceElement.class);
  }
@NotNull
  @Override
  public GrDocReferenceElement createDocReferenceElementFromFQN(@NotNull String qName)