@Override
  public boolean canProcessElement(@NotNull PsiElement element) {
    final NestedControllerCandidate nestedControllerCandidate = findNestedControllerCandidate(element);
    final Collection<PsiFile> fxmls = findFxmlWithController(nestedControllerCandidate);
    return !fxmls.isEmpty();
  }
@Override
  public boolean canProcessElement(@NotNull PsiElement element)