RenamingResult renamingResult = doClassRenaming(extendedCssTree.tree,
method, logger, context);
// TODO : Should we foresee configuration properties for simplifyCss and eliminateDeadCode
// booleans ?
ConstantDefinitions constantDefinitions = optimize(extendedCssTree, context, true, true);
checkErrors();
Set<String> externalClasses = revertRenamingOfExternalClasses(extendedCssTree.tree,
renamingResult.mapping);