public function getRequiredVersion(RootPackageInterface $package)
{
foreach (array($package->getRequires(), $package->getDevRequires()) as $requiredPackages) {
if (isset($requiredPackages[static::PACKAGE_NAME])) {
return $requiredPackages[static::PACKAGE_NAME]->getPrettyConstraint();
}
}
throw new \RuntimeException('Can not determine required version of ' . static::PACKAGE_NAME);
}