public function __construct() {
		// Hook into extra ui on users table to display product selection.
		add_action( 'manage_users_extra_tablenav', array( $this, 'display_product_selection_for_bulk_users' ) );

		// Hook into users table screen to process bulk enrollment.
		add_action( 'admin_head-users.php', array( $this, 'maybe_enroll_users_in_product' ) );

		// Display enrollment results as notices.
		add_action( 'admin_notices', array( $this, 'display_notices' ) );
	}