protected function get_sibling_lesson_query( $direction ) {

		$curr_position = $this->get( 'order' );

		// First cannot have a previous.
		if ( 1 === $curr_position && 'prev' === $direction ) {
			return false;
		}

		if ( 'next' === $direction ) {
			$sibling_position = $curr_position + 1;
			$order            = 'ASC';
			$comparator       = '>=';
		} elseif ( 'prev' === $direction ) {
			$sibling_position = $curr_position - 1;
			$order            = 'DESC';
			$comparator       = '<=';
		}

		$args = array(
			'posts_per_page' => 1,
			'post_type'      => 'lesson',
			'nopaging'       => true,
			'post_status'    => 'publish',
			'meta_key'       => '_llms_order', // phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_key
			'orderby'        => 'meta_value_num',
			'order'          => $order,
			'meta_query'     => array( // phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_query
				'relation' => 'AND',
				array(
					'key'     => '_llms_parent_section',
					'value'   => $this->get_parent_section(),
					'compare' => '=',
				),
				array(
					'key'     => '_llms_order',
					'value'   => $sibling_position,
					'compare' => $comparator,
					'type'    => 'numeric',
				),
			),
		);

		/**
		 * Filter the WP_Query arguments used to locate a sibling lesson for the specified lesson.
		 *
		 * @since 4.10.2
		 *
		 * @param array       $args      WP_Query arguments array.
		 * @param string      $direction Navigation direction. Either "prev" or "next".
		 * @param LLMS_Lesson $lesson    Current lesson object.
		 */
		$args = apply_filters( 'llms_lesson_get_sibling_lesson_query_args', $args, $direction );

		$lessons = get_posts( $args );

		return empty( $lessons ) ? false : $lessons[0]->ID;

	}