getXmlSchema example

        return $this->update(
            $resourcePath,
            AppEntity::class,
            $appId
        );
    }

    private function update(string $pathToCustomEntityFile, string $extensionEntityType, string $extensionId): ?CustomEntityXmlSchema
    {
        $customEntityXmlSchema = $this->getXmlSchema($pathToCustomEntityFile);
        if ($customEntityXmlSchema === null) {
            return null;
        }

        $customEntityXmlSchema = $this->customEntityEnrichmentService->enrich(
            $customEntityXmlSchema,
            $this->getAdminUiXmlSchema($pathToCustomEntityFile),
        );

        $this->customEntityPersister->update($customEntityXmlSchema->toStorage(), $extensionEntityType, $extensionId);
        $this->customEntitySchemaUpdater->update();