private PsiElementsValidityState computeValidityState() {
      PsiElementsValidityState state = new PsiElementsValidityState();
      PsiFile psiFile = getPsiFile();
      if (psiFile != null) {
        for (PsiElement psiElement : myValidator.getDependencies(psiFile)) {
          state.addDependency(psiElement);
        }
      }
      return state;
    }
private PsiElementsValidityState computeValidityState()