private void fixReferencesToStatic(PsiElement classMember) throws IncorrectOperationException {
    final StaticReferencesCollector collector = new StaticReferencesCollector();
    classMember.accept(collector);
    ArrayList<PsiJavaCodeReferenceElement> refs = collector.getReferences();
    ArrayList<PsiElement> members = collector.getReferees();
    ArrayList<PsiClass> classes = collector.getRefereeClasses();
    PsiElementFactory factory =
        JavaPsiFacade.getInstance(classMember.getProject()).getElementFactory();

    for (int i = 0; i < refs.size(); i++) {
      PsiJavaCodeReferenceElement ref = refs.get(i);
      PsiElement namedElement = members.get(i);
      PsiClass aClass = classes.get(i);

      if (namedElement instanceof PsiNamedElement) {
        PsiReferenceExpression newRef =
            (PsiReferenceExpression)
                factory.createExpressionFromText(
                    "a." + ((PsiNamedElement) namedElement).getName(), null);
        PsiExpression qualifierExpression = newRef.getQualifierExpression();
        assert qualifierExpression != null;
        qualifierExpression =
            (PsiExpression) qualifierExpression.replace(factory.createReferenceExpression(aClass));
        qualifierExpression.putCopyableUserData(PRESERVE_QUALIFIER, ref.isQualified());
        ref.replace(newRef);
      }
    }
  }
  private void fixReferencesToStatic(GroovyPsiElement classMember, Set<PsiMember> movedMembers)
      throws IncorrectOperationException {
    final StaticReferencesCollector collector = new StaticReferencesCollector(movedMembers);
    classMember.accept(collector);
    ArrayList<GrReferenceElement> refs = collector.getReferences();
    ArrayList<PsiElement> members = collector.getReferees();
    ArrayList<PsiClass> classes = collector.getRefereeClasses();
    GroovyPsiElementFactory factory = GroovyPsiElementFactory.getInstance(myProject);

    for (int i = 0; i < refs.size(); i++) {
      GrReferenceElement ref = refs.get(i);
      PsiElement namedElement = members.get(i);
      PsiClass aClass = classes.get(i);

      if (namedElement instanceof PsiNamedElement) {
        GrReferenceExpression newRef =
            (GrReferenceExpression)
                factory.createExpressionFromText(
                    "a." + ((PsiNamedElement) namedElement).getName(), null);
        GrExpression qualifier = newRef.getQualifierExpression();
        assert qualifier != null;
        qualifier =
            (GrExpression)
                qualifier.replace(
                    factory.createReferenceExpressionFromText(aClass.getQualifiedName()));
        qualifier.putCopyableUserData(PRESERVE_QUALIFIER, ref.isQualified());
        PsiElement replaced = ref.replace(newRef);
        JavaCodeStyleManager.getInstance(myProject).shortenClassReferences(replaced);
      }
    }
  }