in src/objc-import-utils.ts [83:93]
function isFoundationType(typeName: string): boolean {
// NSLayoutAttribute is NS-prefixed, but is part of UIKit.
//
// TODO(natesm) can we just remove this entirely? There are other
// NS types outside of Foundation that this can break on.
return (
typeName.indexOf('NS') === 0 &&
typeName != 'NSLayoutAttribute' &&
typeName != 'NSTextAlignment'
);
}