Neos\Flow\Reflection\ReflectionService::reflectEmergedClasses PHP Method

    protected function reflectEmergedClasses()
    {
        $classNamesToReflect = [];
        foreach ($this->availableClassNames as $classNamesInOnePackage) {
            $classNamesToReflect = array_merge($classNamesToReflect, $classNamesInOnePackage);
        }
        $reflectedClassNames = array_keys($this->classReflectionData);
        sort($classNamesToReflect);
        sort($reflectedClassNames);
        $newClassNames = array_diff($classNamesToReflect, $reflectedClassNames);
        if ($newClassNames === []) {
            return;
        }
        $this->systemLogger->log('Reflected class names did not match class names to reflect', LOG_DEBUG);
        $count = 0;
        $classNameFilterFunction = function ($className) use(&$count) {
            $this->reflectClass($className);
            if (!$this->isClassAnnotatedWith($className, Flow\Entity::class) && !$this->isClassAnnotatedWith($className, ORM\Entity::class) && !$this->isClassAnnotatedWith($className, ORM\Embeddable::class) && !$this->isClassAnnotatedWith($className, Flow\ValueObject::class)) {
                return false;
            }
            $scopeAnnotation = $this->getClassAnnotation($className, Flow\Scope::class);
            if ($scopeAnnotation !== null && $scopeAnnotation->value !== 'prototype') {
                throw new Exception(sprintf('Classes tagged as entity or value object must be of scope prototype, however, %s is declared as %s.', $className, $scopeAnnotation->value), 1264103349);
            }
            $count++;
            return true;
        };
        $classNamesToBuildSchemaFor = array_filter($newClassNames, $classNameFilterFunction);
        $this->buildClassSchemata($classNamesToBuildSchemaFor);
        if ($count > 0) {
            $this->log(sprintf('Reflected %s emerged classes.', $count), LOG_INFO);
        }
    }