KT-45375 Lightweight lambdas; KT-52817 introduce @JvmSerializableLambda

libraries/stdlib/common/src/kotlin/JvmAnnotationsH.kt

@@ -166,3 +166,13 @@ public expect annotation class Synchronized()
 @SinceKotlin("1.2")
 @OptionalExpectation
 internal expect annotation class JvmPackageName(val name: String)
+
+
+/**
+ * Makes the annotated lambda function `java.io.Serializable`, generates a pretty `toString` implementation and adds reflection metadata.
+ */
+@Target(EXPRESSION)
+@Retention(AnnotationRetention.SOURCE)
+@SinceKotlin("1.8")
+@OptionalExpectation
+public expect annotation class JvmSerializableLambda

libraries/stdlib/jvm/runtime/kotlin/jvm/annotations/JvmFlagAnnotations.kt

@@ -43,4 +43,13 @@ public actual annotation class Strictfp
 @Target(FUNCTION, PROPERTY_GETTER, PROPERTY_SETTER)
 @Retention(AnnotationRetention.SOURCE)
 @MustBeDocumented
-public actual annotation class Synchronized
+public actual annotation class Synchronized
+
+/**
+ * Makes the annotated lambda function implement `java.io.Serializable`,
+ * generates a pretty `toString` implementation and adds reflection metadata.
+ */
+@Target(EXPRESSION)
+@Retention(AnnotationRetention.SOURCE)
+@SinceKotlin("1.8")
+public actual annotation class JvmSerializableLambda