protected function get_default_args() {

		$args = array(
			'post_id'    => null,
			'subscriber' => null,
			'sort'       => array(
				'updated' => 'DESC',
				'id'      => 'DESC',
			),
			'statuses'   => array_values( array_diff( $this->get_available_statuses(), array( 'error' ) ) ),
			'triggers'   => array(),
			'types'      => array(),
			'user_id'    => null,
		);

		$args = wp_parse_args( $args, parent::get_default_args() );

		/**
		 * Filters the notifications query's default args.
		 *
		 * @since 3.8.0
		 * @since 7.1.0 Added `$notifications_query` parameter.
		 *
		 * @param array                    $args                Array of default arguments to set up the query with.
		 * @param LLMS_Notifications_Query $notifications_query Instance of `LLMS_Notifications_Query`.
		 */
		return apply_filters( 'llms_notifications_query_default_args', $args, $this );
	}