kotlin-stdlib / kotlin.reflect / KType / classifier classifier Common JVM JS Native 1.1 abstract val classifier: KClassifier?(Common source) (JVM source) (JS source) (Native source) The declaration of the classifier used in this type. For example, in the type List<String> the classifier would be the KClass instance for List. Returns null if this type is not denotable in Kotlin, for example if it is an intersection type.