InternalFunctors { @SuppressWarnings("unchecked") static<A, T> BiFunction<A, T, T> lastOfTwo() { return LAST_OF_TWO; }    }
@Test public void testLastOfTwo() { BiFunction<Integer, String, String> map = InternalFunctors.lastOfTwo(); assertEquals("sequence", map.toString()); assertEquals("two", map.apply(1, "two")); }