return ((PullUpRefactoring)refactoring).checkActivation(new NullProgressMonitor()).isOK();
return ((PullUpRefactoring)refactoring).checkPreactivation().isOK();
			boolean canActivateRefactoring(Refactoring refactoring)  throws JavaModelException{				return ((PullUpRefactoring)refactoring).checkActivation(new NullProgressMonitor()).isOK();			}