private static async Task<bool> RestorePackageAsync(NuGetPackageManager nuGetPackageManager,
PackageIdentity packageIdentity,
INuGetProjectContext nuGetProjectContext,
EventHandler<PackageRestoredEventArgs> packageRestoredEvent,
IEnumerable<SourceRepository> sourceRepositories,
CancellationToken token)
{
bool restored = await nuGetPackageManager.RestorePackageAsync(packageIdentity, nuGetProjectContext, sourceRepositories, token);
// At this point, it is guaranteed that package restore did not fail
if(packageRestoredEvent != null)
{
packageRestoredEvent(null, new PackageRestoredEventArgs(packageIdentity, restored));
}
return restored;
}