<NME> NullNullableDefaultHintsClass.php
<BEF> <?php

namespace ZendTest\Code\TestAsset;

class NullNullableDefaultHintsClass
{
    public function arrayParameter(?array $foo = null)
    {
    }

    public function callableParameter(?callable $foo = null)
    {
    }

    public function intParameter(?int $foo = null)
    {
    }

    public function floatParameter(?float $foo = null)
    {
    }

    public function stringParameter(?string $foo = null)
    {
    }

    public function boolParameter(?bool $foo = null)
    {
    }

    public function selfParameter(?self $foo = null)
    {
    }

    public function parentParameter(?parent $foo = null)
    {
    }

    public function nullableDefaultHintsClassParameter(?NullNullableDefaultHintsClass $foo = null)
    {
    }
}

<MSG> Adding simple `parent` hint expansion scenarios

<DFF> @@ -2,7 +2,7 @@
 
 namespace ZendTest\Code\TestAsset;
 
-class NullNullableDefaultHintsClass
+class NullNullableDefaultHintsClass extends EmptyClass
 {
     public function arrayParameter(?array $foo = null)
     {

Adding simple `parent` hint expansion scenarios