Strong html

tools/dom/src/CssClassSet.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of html;
 
 /** A Set that stores the CSS class names for an element. */
 abstract class CssClassSet implements Set<String> {
 
   /**
@@ skipping 23 matching lines @@
 
   /**
    * Determine if this element contains the class [value].
    *
    * This is the Dart equivalent of jQuery's
    * [hasClass](http://api.jquery.com/hasClass/).
    *
    * [value] must be a valid 'token' representing a single class, i.e. a
    * non-empty string containing no whitespace.
    */
-  bool contains(String value);
+  bool contains(Object value);
 
   /**
    * Add the class [value] to element.
    *
    * [add] and [addAll] are the Dart equivalent of jQuery's
    * [addClass](http://api.jquery.com/addClass/).
    *
    * If this CssClassSet corresponds to one element. Returns true if [value] was
    * added to the set, otherwise false.
    *
@@ skipping 31 matching lines @@
 
   /**
    * Remove all classes specified in [iterable] from element.
    *
    * [remove] and [removeAll] are the Dart equivalent of jQuery's
    * [removeClass](http://api.jquery.com/removeClass/).
    *
    * Each element of [iterable] must be a valid 'token' representing a single
    * class, i.e. a non-empty string containing no whitespace.
    */
-  void removeAll(Iterable<String> iterable);
+  void removeAll(Iterable<Object> iterable);
 
   /**
    * Toggles all classes specified in [iterable] on element.
    *
    * Iterate through [iterable]'s items, and add it if it is not on it, or
    * remove it if it is. This is the Dart equivalent of jQuery's
    * [toggleClass](http://api.jquery.com/toggleClass/).
    * If [shouldAdd] is true, then we always add all the classes in [iterable]
    * element. If [shouldAdd] is false then we always remove all the classes in
    * [iterable] from the element.
    *
    * Each element of [iterable] must be a valid 'token' representing a single
    * class, i.e. a non-empty string containing no whitespace.
    */
   void toggleAll(Iterable<String> iterable, [bool shouldAdd]);
 }