<NME> VariadicParametersClass.php
<BEF> <?php

namespace ZendTest\Code\TestAsset;

class VariadicParametersClass
{
    public function firstVariadicParameter(...$foo)
    {
    }

    public function secondVariadicParameter($foo, ...$bar)
    {
    }

    public function typeHintedVariadicParameter(VariadicParametersClass ...$bar)
    {
    }
}

<MSG> zendframework/zend-code#29 - by-ref variadics are also a thing

<DFF> @@ -15,4 +15,12 @@ class VariadicParametersClass
     public function typeHintedVariadicParameter(VariadicParametersClass ...$bar)
     {
     }
+
+    public function byRefVariadic(& ...$bar)
+    {
+    }
+
+    public function byRefTypeHintedVariadic(VariadicParametersClass & ...$bar)
+    {
+    }
 }

zendframework/zend-code#29 - by-ref variadics are also a thing