kotlin-stdlib/kotlin/ExperimentalSubclassOptIn

ExperimentalSubclassOptIn

@Target(allowedTargets = [AnnotationTarget.CLASS])
annotation class ExperimentalSubclassOptIn(source)

This annotation marks the experimental preview of the language feature SubclassOptInRequired.

Note that this API is in a preview state and has a chance of being changed in the future. Do not use it if you develop a library since your library can become source incompatible with the future versions of Kotlin.

Since Kotlin

1.8