}
	}

	/**
	 * Removes an item from the extended task list.
	 *
	 * @param mixed $task_name Task name to remove.
	 */
	public static function remove_extended_task_list_item( $task_name ) {
		if ( $task_name ) {
			$extended_tasks_list_items = get_option( 'woocommerce_extended_task_list_items', array() );
			if ( in_array( $task_name, $extended_tasks_list_items, true ) ) {
				array_push( $extended_tasks_list_items, $task_name );
				$tasks_list_items = array_diff( $extended_tasks_list_items, array( $task_name ) );
				update_option( 'woocommerce_extended_task_list_items', $tasks_list_items );
			}
		}
	}

	/**
	 * Records an event for individual task completion.
	 *
	 * @param mixed $old_value Old value.
	 * @param mixed $new_value New value.
	 */
	public static function track_task_completion( $old_value, $new_value ) {
		$old_value       = is_array( $old_value ) ? $old_value : array();
		$untracked_tasks = array_diff( $new_value, $old_value );

		foreach ( $untracked_tasks as $task ) {
			wc_admin_record_tracks_event( 'tasklist_task_completed', array( 'task_name' => $task ) );
		}
	}
}