<?php declare(strict_types = 1);

trait FooParentTrait {
    public function bar() {
        echo "bar";
    }
}

trait Foo {
    use FooParentTrait;
}

class SomeClass {
    use Foo {
        bar as baz;
    }

    public function __construct()
    {
        $this->baz();
    }
}

new SomeClass();