fix(core) Fix typing and documentation to fix phpstan on plugins side

issue #6134

include/class_ldapMultiplexer.inc

@@ -37,6 +37,9 @@
   * @method string|resource cat ($dn, $attrs = ["*"], $filter = "(objectclass=*)")
   * @method int count ()
   * @method bool success ()
+  * @method true|0|"" rmdir_recursive (string $deletedn)
+  * @method void create_missing_trees (string $target, bool $ignoreReferralBases = TRUE)
+  * @method mixed add ($attrs)
   */
 class ldapMultiplexer
 {

include/simpleplugin/class_simpleTabs.inc

@@ -41,6 +41,9 @@ class simpleTabs implements FusionDirectoryDialog
   var $current    = "";
   var $disabled   = "";
   var $by_name    = [];
+  /**
+   * @var array<string,SimpleTab>
+   */
   var $by_object  = [];
   var $acl_category;
 
@@ -181,7 +184,7 @@ class simpleTabs implements FusionDirectoryDialog
     }
   }
 
-  function getBaseObject ()
+  function getBaseObject (): SimpleTab
   {
     return $this->by_object[$this->baseclass];
   }