MESSAGE_HANDLER
MESSAGE_HANDLER, false
    public void testTypeRef() {        MESSAGE_HANDLER.flush();        AnnotationC.compile(                new String[]{},                new String[]{SOURCE_DIR + "TypeRefAnnoTarget.java"},                new String[]{CLASSPATH},                CLASSPATH,                new String[]{},                MESSAGE_HANDLER        );        assertEquals(1, MESSAGE_HANDLER.compilerExceptions.size());        assertEquals(0, MESSAGE_HANDLER.acceptedLocations.size());    }