Assert.isNotNull(elements); Assert.isNotNull(preferenceSettings); fMembersToPullUp= elements;
super(elements, preferenceSettings);
	private PullUpRefactoring(IMember[] elements, CodeGenerationSettings preferenceSettings){		Assert.isNotNull(elements);		Assert.isNotNull(preferenceSettings);		fMembersToPullUp= elements;		fMethodsToDelete= new IMethod[0];		fMethodsToDeclareAbstract= new IMethod[0];		fPreferenceSettings= preferenceSettings;		fImportManager= new ImportRewriteManager(preferenceSettings);		fCreateMethodStubs= true;		fCachedMembersReferences= new HashMap(2);	}