ReflectionFunction and ReflectionMethod::getClosure cannot return null

Author: ondrejmirtes

resources/functionMap.php

@@ -10008,7 +10008,7 @@
 'ReflectionFunction::__construct' => ['void', 'name'=>'string|Closure'],
 'ReflectionFunction::__toString' => ['string'],
 'ReflectionFunction::export' => ['string|null', 'name'=>'string', 'return='=>'bool'],
-'ReflectionFunction::getClosure' => ['?Closure'],
+'ReflectionFunction::getClosure' => ['Closure'],
 'ReflectionFunction::getClosureScopeClass' => ['ReflectionClass'],
 'ReflectionFunction::getClosureThis' => ['bool'],
 'ReflectionFunction::getDocComment' => ['string|false'],
@@ -10074,7 +10074,7 @@
 'ReflectionMethod::__construct\'1' => ['void', 'class_method'=>'string'],
 'ReflectionMethod::__toString' => ['string'],
 'ReflectionMethod::export' => ['string|null', 'class'=>'string', 'name'=>'string', 'return='=>'bool'],
-'ReflectionMethod::getClosure' => ['?Closure', 'object'=>'?object'],
+'ReflectionMethod::getClosure' => ['Closure', 'object'=>'?object'],
 'ReflectionMethod::getDeclaringClass' => ['ReflectionClass'],
 'ReflectionMethod::getModifiers' => ['int'],
 'ReflectionMethod::getPrototype' => ['ReflectionMethod'],