# Package org.eclipse.rap.rwt.widgets

Interface Summary
BrowserCallback: This callback interface is used to inform application code that the result of script execution or evaluation is available.
DialogCallback: This callback interface is used to inform application code that a dialog was closed.

Class Summary
BrowserUtil: Deprecated. Use the methods on `Browser` instead
ClusteredSynchronizer: Instances of this class provide synchronization support for displays in high-availability cluster environments.
DialogUtil: Deprecated. Use the methods on `Dialog` instead
DropDown: Instances of this class represent a list of items that are attached to a control (parent).
ExternalBrowser: Deprecated. Use `UrlLauncher` instead
FileUpload: A button-like widget allowing to select a file from the client's file system and to upload this file to a given URL using HTTP POST.
WidgetUtil: Helper class to access RWT specific properties of widgets.