void () { sink(this.toString()); Runnable r = () -> { }; sink(<warning descr="Unknown string is used as safe parameter">r.toString()</warning>); //warn sink(DifferentExpression.class.toString()); sink("test" + (1 - 1)); int x = 1; sink("test" + (++x)); sink(<warning descr="Unknown string is used as safe parameter">param2("1",<error descr="Expression expected"> </error>)</warning>); //warn }