fLinkedProposalModel= null;
	public ExtractTempRefactoring(ICompilationUnit unit, int selectionStart, int selectionLength) {		Assert.isTrue(selectionStart >= 0);		Assert.isTrue(selectionLength >= 0);		fSelectionStart= selectionStart;		fSelectionLength= selectionLength;		fCu= unit;		fReplaceAllOccurrences= true; // default		fDeclareFinal= false; // default		fTempName= ""; //$NON-NLS-1$	}