<?php
namespace pkg1;

use pkg2 as p;

class pkg1Barfoo extends pkg1Bar implements ::pkg1FooI {
    public function foo()
    {
        new p::pkg2Bar();//::doIt();
    }
    
    public function bar(pkg2FooI $fx)
    {
        use pkg2::pkg2Bar as pkg2Bar;
        new pkg2Bar();
    }
}