first commit

wp-content/plugins/wordpress-seo/admin/metabox/interface-metabox-tab.php

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+<?php
+/**
+ * WPSEO plugin file.
+ *
+ * @package WPSEO\Admin
+ */
+
+/**
+ * Generates the HTML for a metabox tab.
+ */
+interface WPSEO_Metabox_Tab {
+
+	/**
+	 * Returns the html for the tab link.
+	 *
+	 * @return string
+	 */
+	public function link();
+
+	/**
+	 * Returns the html for the tab content.
+	 *
+	 * @return string
+	 */
+	public function content();
+}