public function activate(Composer $composer, IOInterface $io)
{
$config = $this->setConfig($composer);
$composer->getInstallationManager()->addInstaller(new SharedPackageInstallerSolver(new SharedPackageSolver($config), new SharedPackageInstaller($io, $composer, new SymlinkFilesystem(), new SharedPackageDataManager($composer), $config), new LibraryInstaller($io, $composer)));
}