public IEnumerable <NamespaceDeclarationSyntax> Create(ICompilation compilation)
{
IEnumerable <(ITypeDefinition typeDefinition, bool isAbstract, IEnumerable <IMethod> methods)> values = compilation.GetPublicTypeDefinitions()
.Where(
x => x.Kind != TypeKind.Interface &&
(!IsMulticastDelegateDerived(x) ||
!x.DirectBaseTypes.Any()) &&
!_garbageTypeList.Any(y => x.FullName.Contains(y)) &&
CocoaDelegateNames.Any(cocoaName => x.FullName.EndsWith(cocoaName, StringComparison.OrdinalIgnoreCase)))
.Select(typeDef => new { TypeDefinition = typeDef, IsAbstract = typeDef.Methods.Any(method => method.ReturnType.FullName != RoslynHelpers.VoidType && method.IsAbstract) })
.Select(x => (x.TypeDefinition, x.IsAbstract, GetPublicDelegateMethods(x.TypeDefinition)))
.Where(x => x.Item3.Any());
return(DelegateGenerator.Generate(values));
}