public IEnumerable <PackageVerifierIssue> Validate(PackageAnalysisContext context)
{
var discoveredTypes = context.Metadata.PackageTypes.Select(t => t.Name);
var expectedTypes = context.Options?.PackageTypes ?? Enumerable.Empty <string>();
foreach (var missing in expectedTypes.Except(discoveredTypes))
{
yield return(PackageIssueFactory.PackageTypeMissing(missing));
}
foreach (var unexpected in discoveredTypes.Except(expectedTypes))
{
yield return(PackageIssueFactory.PackageTypeUnexpected(unexpected));
}
}