} else { addBRules(extractPureBackwardRules(rules)); engine.init(true, dataSource);
} else { addBRules(extractPureBackwardRules(rules)); engine.init(true, dataSource);
} else { addBRules(extractPureBackwardRules(rules)); engine.init(true, dataSource);
} else { addBRules(extractPureBackwardRules(rules)); engine.init(true, dataSource);