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

    protected function reflectClassMethod($className, MethodReflection $method)
    {
        $methodName = $method->getName();
        if ($method->isFinal()) {
            $this->classReflectionData[$className][self::DATA_CLASS_METHODS][$methodName][self::DATA_METHOD_FINAL] = true;
        }
        if ($method->isStatic()) {
            $this->classReflectionData[$className][self::DATA_CLASS_METHODS][$methodName][self::DATA_METHOD_STATIC] = true;
        }
        $visibility = $method->isPublic() ? self::VISIBILITY_PUBLIC : ($method->isProtected() ? self::VISIBILITY_PROTECTED : self::VISIBILITY_PRIVATE);
        $this->classReflectionData[$className][self::DATA_CLASS_METHODS][$methodName][self::DATA_METHOD_VISIBILITY] = $visibility;
        foreach ($this->getMethodAnnotations($className, $methodName) as $methodAnnotation) {
            $annotationClassName = get_class($methodAnnotation);
            if (!isset($this->classesByMethodAnnotations[$annotationClassName][$className])) {
                $this->classesByMethodAnnotations[$annotationClassName][$className] = [];
            }
            $this->classesByMethodAnnotations[$annotationClassName][$className][] = $methodName;
        }
        $returnType = $method->getDeclaredReturnType();
        if ($returnType !== null) {
            $this->classReflectionData[$className][self::DATA_CLASS_METHODS][$methodName][self::DATA_METHOD_DECLARED_RETURN_TYPE] = $returnType;
        }
        foreach ($method->getParameters() as $parameter) {
            $this->reflectClassMethodParameter($className, $method, $parameter);
        }
    }