public void PackageConflicts(PackageIdentifier identifier, CallStack failingCallStack)
{
PackageResolutionStacks existingCompatible = CompatiblePackageVersions[identifier];
_compatiblePackageVersions.Pop();
CompatiblePackageVersions.Remove(identifier);
_incompatiblePackages.Pop();
IncompatiblePackageVersions.Add(identifier, existingCompatible.Successful, existingCompatible.Failed.Concat(failingCallStack));
}
static PackageResolutionStacks()
{
Null = new PackageResolutionStacks();
}
static PackageResolutionStacks()
{
Null = new PackageResolutionStacks();
}