Jelix\Installer\AbstractInstallLauncher::getUpgraders PHP Method

getUpgraders() abstract public method

this method should be called after verifying and resolving dependencies. Needed components (modules or plugins) should be installed/upgraded before calling this method
abstract public getUpgraders ( EntryPoint $ep ) : Jelix\Installer\InstallerInterface[]
$ep EntryPoint the entry point
return Jelix\Installer\InstallerInterface[]
    abstract function getUpgraders(EntryPoint $ep);