public DependencyResolutionResult(IPackageDescriptor descriptor, IEnumerable <ResolvedPackage> successfulPackages, IEnumerable <ResolvedPackage> conflictingPackages, IEnumerable <ResolvedPackage> missingPackages)
{
Descriptor = descriptor;
SuccessfulPackages = successfulPackages.ToList().AsReadOnly();
DiscardedPackages = conflictingPackages.ToList().AsReadOnly();
MissingPackages = missingPackages.ToList().AsReadOnly();
//IsSuccess = !(MissingPackages.Any() || DiscardedPackages.Any());
IsSuccess = !(MissingPackages.Any(x => SuccessfulPackages.None(s => s.Identifier.Name.EqualsNoCase(x.Identifier.Name))) ||
DiscardedPackages.Any(x => SuccessfulPackages.None(s => s.Identifier.Name.EqualsNoCase(x.Identifier.Name))));
}