Converter:

Functions are final by default in plugin mode

j2k/tests/testData/ast/methodCallExpression/genericMethod.ide.kt

@@ -1,10 +1,10 @@
 package demo
 class Map() {
-open fun put<K, V>(k : K, v : V) {
+fun put<K, V>(k : K, v : V) {
 }
 }
 class U() {
-open fun test() {
+fun test() {
 val m = Map()
 m.put<String, Int>("10", 10)
 }