PRE_PACKAGE_INSTALL PRE_PACKAGE_INSTALL = 'pre-package-install' : string The PRE_PACKAGE_INSTALL event occurs before a package is installed. The event listener method receives a Composer\Installer\PackageEvent instance.
POST_PACKAGE_INSTALL POST_PACKAGE_INSTALL = 'post-package-install' : string The POST_PACKAGE_INSTALL event occurs after a package is installed. The event listener method receives a Composer\Installer\PackageEvent instance.
PRE_PACKAGE_UPDATE PRE_PACKAGE_UPDATE = 'pre-package-update' : string The PRE_PACKAGE_UPDATE event occurs before a package is updated. The event listener method receives a Composer\Installer\PackageEvent instance.
POST_PACKAGE_UPDATE POST_PACKAGE_UPDATE = 'post-package-update' : string The POST_PACKAGE_UPDATE event occurs after a package is updated. The event listener method receives a Composer\Installer\PackageEvent instance.
PRE_PACKAGE_UNINSTALL PRE_PACKAGE_UNINSTALL = 'pre-package-uninstall' : string The PRE_PACKAGE_UNINSTALL event occurs before a package has been uninstalled. The event listener method receives a Composer\Installer\PackageEvent instance.
POST_PACKAGE_UNINSTALL POST_PACKAGE_UNINSTALL = 'post-package-uninstall' : string The POST_PACKAGE_UNINSTALL event occurs after a package has been uninstalled. The event listener method receives a Composer\Installer\PackageEvent instance.