first import 7.x-1.4

contrib/search_api_facetapi/search_api_facetapi.api.php

@@ -0,0 +1,31 @@
+<?php
+
+/**
+ * @file
+ * Hooks provided by the Search facets module.
+ */
+
+/**
+ * @addtogroup hooks
+ * @{
+ */
+
+/**
+ * Lets modules alter the search keys that are returned to FacetAPI and used
+ * in the current search block and breadcrumb trail.
+ *
+ * @param string $keys
+ *   The string representing the user's current search query.
+ * @param SearchApiQuery $query
+ *   The SearchApiQuery object for the current search.
+ */
+function hook_search_api_facetapi_keys_alter(&$keys, $query) {
+  if ($keys == '[' . t('all items') . ']') {
+    // Change $keys to something else, perhaps based on filters in the query
+    // object.
+  }
+}
+
+/**
+ * @} End of "addtogroup hooks".
+ */