@Override
  public @Nullable String getVisibility() {
    if (myRbPublic.isSelected()) {
      return PsiModifier.PUBLIC;
    }
    if (myRbPackageLocal.isSelected()) {
      return PsiModifier.PACKAGE_LOCAL;
    }
    if (myRbProtected.isSelected()) {
      return PsiModifier.PROTECTED;
    }
    if (myRbPrivate.isSelected()) {
      return PsiModifier.PRIVATE;
    }
    if (myRbEscalate != null && myRbEscalate.isSelected()) {
      return VisibilityUtil.ESCALATE_VISIBILITY;
    }

    return null;
  }
@Override
  public @Nullable String getVisibility()