32     private $doubler;  variable in Prophecy\\Prophet
44      * @param null|Doubler           $doubler
48     public function __construct(Doubler $doubler = null, RevealerInterface $revealer = null,  argument
51         if (null === $doubler) {
52             $doubler = new Doubler;
53             $doubler->registerClassPatch(new ClassPatch\SplFileInfoPatch);
54             $doubler->registerClassPatch(new ClassPatch\TraversablePatch);
55             $doubler->registerClassPatch(new ClassPatch\ThrowablePatch);
56             $doubler->registerClassPatch(new ClassPatch\DisableConstructorPatch);
57             $doubler->registerClassPatch(new ClassPatch\ProphecySubjectPatch);
58             $doubler->registerClassPatch(new ClassPatch\ReflectionClassNewInstancePatch);
59             $doubler->registerClassPatch(new ClassPatch\HhvmExceptionPatch());
60             $doubler->registerClassPatch(new ClassPatch\MagicCallPatch);
61             $doubler->registerClassPatch(new ClassPatch\KeywordPatch);
64         $this->doubler  = $doubler;
79             new LazyDouble($this->doubler),
112         return $this->doubler;