kotlin internal RequireKotlin Annotation version String message level DeprecationLevel versionKind RequireKotlinVersionKind errorCode Int annotation Target allowedTargets AnnotationTarget CLASS FUNCTION PROPERTY CONSTRUCTOR TYPEALIAS Retention value AnnotationRetention SOURCE Repeatable SinceKotlin 1.2p                  "B&((( ( (R HRHRHRHR H 0 0 0 0 0 2 .* J 0 8J 0 8J 0 8J 0 8J 0 8    0 8  (