internal class HLApiReferenceProviderService(val project: Project) : KotlinReferenceProvidersService() {
    private val originalProvidersBinding: MultiMap<Class<out PsiElement>, KotlinPsiReferenceProvider>
    private val providersBindingCache: Map<Class<out PsiElement>, List<KotlinPsiReferenceProvider>>

    init {
        val registrar = KotlinPsiReferenceRegistrar()