rule += " $m.setMessage( \"Goodbye cruel world\" + message );\n";
rule += " $m.setStatus( Message.GOODBYE );\n";
rule += " update( $m ) ;\n";
rule += "end";
engine = new DRLParserEngine(rule);
info = (DRLRuleRefactorInfo) engine.parse();
RuleBasicContentInfo content = info.getContentAt(87);
RenameAssistantOption assistantOption = new RenameAssistantOption("rename variable", "message", content, 87);