N°6932 - Split applicationextension.inc.php APIs in separate files

application/applicationextension/backoffice/iBackofficeSassExtension.php

@@ -0,0 +1,19 @@
+<?php
+
+/**
+ * Implement this interface to add sass file (SCSS) to the backoffice pages.
+ * example: return "css/setup.scss"
+ *
+ * @api
+ * @package BackofficeUIExtensibilityAPI
+ * @since 3.3.0
+ */
+interface iBackofficeSassExtension
+{
+    /**
+     * @return string
+     * @see \iTopWebPage::$a_styles
+     * @api
+     */
+    public function GetSass(): string;
+}