public static function init() {
		add_action( 'init', array( __CLASS__, 'check_version' ), 5 );
		add_action( 'init', array( __CLASS__, 'manual_database_update' ), 20 );
		add_action( 'admin_init', array( __CLASS__, 'wc_admin_db_update_notice' ) );
		add_action( 'woocommerce_run_update_callback', array( __CLASS__, 'run_update_callback' ) );
		add_action( 'admin_init', array( __CLASS__, 'install_actions' ) );
		add_filter( 'plugin_action_links_' . WC_PLUGIN_BASENAME, array( __CLASS__, 'plugin_action_links' ) );
		add_filter( 'plugin_row_meta', array( __CLASS__, 'plugin_row_meta' ), 10, 2 );
		add_filter( 'wpmu_drop_tables', array( __CLASS__, 'wpmu_drop_tables' ) );
		add_filter( 'cron_schedules', array( __CLASS__, 'cron_schedules' ) );
	}