kotlin-stdlib / kotlin / ExperimentalSubclassOptIn / <init>

<init>

Common
JVM
JS
Native
1.0
ExperimentalSubclassOptIn()

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.