public boolean isForbiddenToUse(@NotNull PsiFile from, @NotNull PsiFile to) {
    if (myFromScope == null || myToScope == null) return false;
    final PackageSet fromSet = myFromScope.getValue();
    final PackageSet toSet = myToScope.getValue();
    if (fromSet == null || toSet == null) return false;
    DependencyValidationManager holder = DependencyValidationManager.getInstance(from.getProject());
    return (myDenyRule
            ? fromSet.contains(from, holder)
            : new ComplementPackageSet(fromSet).contains(from, holder))
           && toSet.contains(to, holder);
  }
public boolean isForbiddenToUse(@NotNull PsiFile from, @NotNull PsiFile to)