@Nullable
  private static PsiElement findContainingStatement(@Nullable PsiElement candidate) {
    while (candidate != null && (candidate.getParent() instanceof GrLabeledStatement || !(PsiUtil.isExpressionStatement(candidate)))) {
      candidate = candidate.getParent();
    }
    return candidate;
  }
@Nullable
  private static PsiElement findContainingStatement(@Nullable PsiElement candidate)