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> {
        @Override
        public void m2() {
            <selection>//To change body of implemented methods use File | Settings | File Templates.</selection>
        }
    }
}