php/php.editor/test/unit/data/testfiles/semantic/unusedPrivateConst.php.semantic

<?php

class |>CLASS:Foo<| {

    public const |>FIELD,STATIC:PUBLIC_CONST<| = 1;
    protected const |>FIELD,STATIC:PROTECTED_CONST<| = 2;
    private const |>FIELD,STATIC:USED_PRIVATE<| = 3;
    private const |>FIELD,STATIC,UNUSED:UNUSED_PRIVATE<| = 4;

    function |>METHOD:bar<|() {
        return self::|>FIELD,STATIC:USED_PRIVATE<|;
    }
}