org.eclipse.ltk.ui.refactoring
Interfaces 
IChangePreviewViewer
IRefactoringUIStatusCodes
IStatusContextViewer
Classes 
ChangePreviewViewerInput
RedoRefactoringAction
RefactoringUI
RefactoringWizard
RefactoringWizardOpenOperation
RefactoringWizardPage
TextStatusContextViewer
UndoRefactoringAction
UserInputWizardPage