openide/java/java-tests/testData/codeInsight/overrideImplement/beforeImplementExtensionMethods.java

class Test {
    interface A<T> {
        void m1(T t);
        void m2();
    }

    interface B<T> extends A<T> {
        void m1(T t) default { }
    }

    class MyClass<T> implements B<T> {
        <caret>
    }
}