rebase from live enviornment

wp/plugins/wordpress-seo/inc/sitemaps/interface-sitemap-provider.php

@@ -0,0 +1,41 @@
+<?php
+/**
+ * WPSEO plugin file.
+ *
+ * @package WPSEO\XML_Sitemaps
+ */
+
+/**
+ * Sitemap Provider interface.
+ */
+interface WPSEO_Sitemap_Provider {
+
+	/**
+	 * Check if provider supports given item type.
+	 *
+	 * @param string $type Type string to check for.
+	 *
+	 * @return bool
+	 */
+	public function handles_type( $type );
+
+	/**
+	 * Get set of sitemaps index link data.
+	 *
+	 * @param int $max_entries Entries per sitemap.
+	 *
+	 * @return array
+	 */
+	public function get_index_links( $max_entries );
+
+	/**
+	 * Get set of sitemap link data.
+	 *
+	 * @param string $type         Sitemap type.
+	 * @param int    $max_entries  Entries per sitemap.
+	 * @param int    $current_page Current page of the sitemap.
+	 *
+	 * @return array
+	 */
+	public function get_sitemap_links( $type, $max_entries, $current_page );
+}