public IEnumerable <PackageVerifierIssue> Validate(PackageAnalysisContext context) { AssemblyAttributesDataHelper.SetAssemblyAttributesData(context); foreach (var assemblyData in context.AssemblyData) { if (!HasCopyrightAttribute(assemblyData.Value.AssemblyAttributes)) { yield return(PackageIssueFactory.AssemblyMissingCopyrightAttribute(assemblyData.Key)); } } }