Intentions: 'Implement abstract member' (Kotlin -> Kotlin)

#KT-8467 In Progress

idea/testData/intentions/implementAbstractMember/function/enumEntriesWithArgs.kt.after

@@ -0,0 +1,19 @@
+// WITH_RUNTIME
+//DISABLE-ERRORS
+enum class E(n: Int) {
+    A(1) {
+        override fun foo(x: Int): Int {
+            throw UnsupportedOperationException()
+        }
+    }, B(2) {
+        override fun foo(x: Int): Int {
+            throw UnsupportedOperationException()
+        }
+    }, C(3) {
+        override fun foo(x: Int): Int {
+            throw UnsupportedOperationException()
+        }
+    };
+
+    abstract fun <caret>foo(x: Int): Int
+}