private boolean isNonMarked(@NotNull TaintNode taintNode) {
    if (taintNode.myTaintValue == TaintValue.TAINTED) return false;
    PsiElement psiElement = taintNode.getPsiElement();
    if (psiElement == null) return true;
    return myTaintValueFactory.fromElement(psiElement, null) != TaintValue.UNTAINTED;
  }
private boolean isNonMarked(@NotNull TaintNode taintNode)