@Nullable
  private static ControlFlow createControlFlow(@NotNull PsiElement scope) {
    ControlFlowFactory factory = ControlFlowFactory.getInstance(scope.getProject());
    ControlFlowPolicy policy = LocalsOrMyInstanceFieldsControlFlowPolicy.getInstance();

    try {
      return factory.getControlFlow(scope, policy);
    }
    catch (AnalysisCanceledException e) {
      return null;
    }
  }
@Nullable
  private static ControlFlow createControlFlow(@NotNull PsiElement scope)