IDEA-91679 (correct conversion of extension methods)

java/java-tests/testData/refactoring/pullUp/ExtensionMethod.java

@@ -0,0 +1,8 @@
+interface Base {
+}
+
+interface I2 extends Base {
+    void foo<caret>() default {
+        System.out.println("Hi there.");
+    }
+}