This callback interface is used to inform application code that the result of script execution
or evaluation is available.
This callback interface is used to inform application code that a dialog was closed.
Instances of this class provide synchronization support for displays in
high-availability cluster environments.
Instances of this class represent a list of items that are attached to a control (parent).
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.
Helper class to access RWT specific properties of widgets.