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