public function getInstallers()
    {
        $this->orderedInstallers = [];

        if ($this->orderInstallersByNumber) {
            $this->orderInstallersByNumber();
        }

        if ($this->orderInstallersByDependencies) {
            $this->orderInstallersByDependencies();
        }

        if (!$this->orderInstallersByNumber && !$this->orderInstallersByDependencies) {
            $this->orderedInstallers = $this->installers;
        }

        return $this->orderedInstallers;
    }