public static bool IsUnityComponent(this ITypeElement typeElement, out bool isBuiltin)
{
// User components must derive from MonoBehaviour, but built in components only have to derive from
// Component. A built in component will be something that isn't an asset, which means it's come from
// one of the UnityEngine assemblies, or UnityEditor.dll. Another check might be that the referenced
// module lives in Assets, but packages makes a mess of that (referenced packages are compiled and
// referenced from Library or local packages can include a dll as an asset, external to the project)
isBuiltin = typeElement.IsBuiltInUnityClass();
return(isBuiltin ? typeElement.DerivesFrom(KnownTypes.Component) : typeElement.DerivesFromMonoBehaviour());
}