( 'wp_sitemaps_posts_show_on_front_entry', $sitemap_entry );
			$url_list[]    = $sitemap_entry;
		}

		foreach ( $query->posts as $post ) {
			$sitemap_entry = array(
				'loc'     => get_permalink( $post ),
				'lastmod' => wp_date( DATE_W3C, strtotime( $post->post_modified_gmt ) ),
			);

			/**
			 * Filters the sitemap entry for an individual post.
			 *
			 * @since 5.5.0
			 *
			 * @param array   $sitemap_entry Sitemap entry for the post.
			 * @param WP_Post $post          Post object.
			 * @param string  $post_type     Name of the post_type.
			 */
			$sitemap_entry = apply_filters( 'wp_sitemaps_posts_entry', $sitemap_entry, $post, $post_type );
			$url_list[]    = $sitemap_entry;
		}

		return $url_list;
	}

	/**
	 * Gets the max number of pages available for the object type.
	 *
	 * @since 5.5.0
	 * @since 5.9.0 Renamed `$post_type` to `$object_subtype` to match parent class
	 *              for PHP 8 named parameter support.
	 *
	 * @param string $object_subtype Optional. Post type name. Default empty.
	 * @return int Total number of pages.
	 */
	public function get_max_num_pages( $object_subtype = '' ) {
		if ( empty( $object_subtype ) ) {
			return 0;
		}

		// Restores the more descriptive, specific name for use within this method.
		$post_type = $object_subtype;

		/**
		 * Filters the max number of pages before it is generated.
		 *
		 * Passing a non-null value will short-circuit the generation,
		 * returning that value instead.
		 *
		 * @since 5.5.0
		 *
		 * @param int|null $max_num_pages The maximum number of pages. Default null.
		 * @param string   $post_type     Post type name.
		 */
		$max_num_pages = apply_filters( 'wp_sitemaps_posts_pre_max_num_pages', null, $post_type );

		if ( null !== $max_num_pages ) {
			return $max_num_pages;
		}

		$args                  = $this->get_posts_query_args( $post_type );
		$args['fields']        = 'ids';
		$args['no_found_rows'] = false;

		$query = new WP_Query( $args );

		$min_num_pages = ( 'page' === $post_type && 'posts' === get_option( 'show_on_front' ) ) ? 1 : 0;
		return isset( $query->max_num_pages ) ? max( $min_num_pages, $query->max_num_pages ) : 1;
	}

	/**
	 * Returns the query args for retrieving posts to list in the sitemap.
	 *
	 * @since 5.5.0
	 * @since 6.1.0 Added `ignore_sticky_posts` default parameter.
	 *
	 * @param string $post_type Post type name.
	 * @return array Array of WP_Query arguments.
	 */
	protected function get_posts_query_args( $post_type ) {
		/**
		 * Filters the query arguments for post type sitemap queries.
		 *
		 * @see WP_Query for a full list of arguments.
		 *
		 * @since 5.5.0
		 * @since 6.1.0 Added `ignore_sticky_posts` default parameter.
		 *
		 * @param array  $args      Array of WP_Query arguments.
		 * @param string $post_type Post type name.
		 */
		$args = apply_filters(
			'wp_sitemaps_posts_query_args',
			array(
				'orderby'                => 'ID',
				'order'                  => 'ASC',
				'post_type'              => $post_type,
				'posts_per_page'         => wp_sitemaps_get_max_urls( $this->object_type ),
				'post_status'            => array( 'publish' ),
				'no_found_rows'          => true,
				'update_post_term_cache' => false,
				'update_post_meta_cache' => false,
				'ignore_sticky_posts'    => true, // Sticky posts will still appear, but they won't be moved to the front.
			),
			$post_type
		);

		return $args;
	}
}