private function initInstalledPackages()
    {
        /** @var PackageInterface $package */
        foreach ($this->installedRepository->getPackages() as $package) {
            $operator = $this->getFilterOperator($package);
            /** @var Link $link */
            $link = current($this->arrayLoader->parseLinks($this->package->getName(), $this->package->getVersion(), 'installed', array($package->getName() => $operator.$package->getPrettyVersion())));
            $link = $this->includeRootConstraint($package, $link);

            $this->requires[$package->getName()] = $link;
        }
    }