public IEnumerable <PackageVerifierIssue> Validate(PackageAnalysisContext context) { var dependencyFrameworks = new HashSet <NuGetFramework>( context.Metadata.DependencyGroups.Select(g => g.TargetFramework)); var buildItems = context .PackageReader .GetBuildItems() .Where(f => f.Items.Any(i => IsCandidateMSBuildItem(i, context.Metadata.Id))); foreach (var buildItem in buildItems) { if (!dependencyFrameworks.Contains(buildItem.TargetFramework)) { yield return(PackageIssueFactory .BuildItemsDoNotMatchFrameworks(context.Metadata.Id, buildItem.TargetFramework)); } } }