public function createInstallDescriber() : InstallDescriber
{
$describerClassName = $this->getModuleInfo()->getInstallDescriberClassName();
if ($describerClassName === null) {
throw new IllegalStateException('No install describer available.');
}
$describerClass = null;
try {
$describerClass = ReflectionUtils::createReflectionClass($describerClassName);
} catch (TypeNotFoundException $e) {
throw $this->createInvalidInstallDescriberException($e);
}
if (!$describerClass->implementsInterface(InstallDescriber::class)) {
throw $this->createInvalidInstallDescriberException(new InvalidConfigurationException('InstallDescriber must implement interface ' . InstallDescriber::class . ': ' . $describerClass->getName()));
}
return $this->installDescriber = $describerClass->newInstance();
}
