getDeprecationVersion example

$docParser = $this->getDocParser();

        $eventClasses = [];
        foreach ($reflectionClass->getReflectionConstants() as $constant) {
            $docComment = $constant->getDocComment();
            if (!\is_string($docComment)) {
                continue;
            }

            foreach ($docParser->parse($docComment) as $annotation) {
                if ($annotation instanceof Event) {
                    $deprecationVersion = $annotation->getDeprecationVersion();

                    if ($deprecationVersion && Feature::isActive($deprecationVersion)) {
                        continue;
                    }

                    $eventClasses[(string) $constant->getValue()] = $annotation->getEventClass();
                }
            }
        }

        return $eventClasses;
    }