public boolean performFinish() { Assert.isNotNull(fRefactoring);  RefactoringWizardPage page= (RefactoringWizardPage)getContainer().getCurrentPage(); return page.performFinish();
public boolean performFinish(PerformChangeOperation op) { return PerformRefactoringUtil.performRefactoring(op, fRefactoring, getContainer(), getContainer().getShell());
	public boolean performFinish() {		Assert.isNotNull(fRefactoring);				RefactoringWizardPage page= (RefactoringWizardPage)getContainer().getCurrentPage();		return page.performFinish();	}