public ChainedAttributeDetector userAttributDetector() {
    LOG.info("Creating instance with user attribute detectors: [{}]", userAttributeDetectors);
    return new ChainedAttributeDetector(userAttributeDetectors);
  }
Creates a chained attribute detector instance with user attribute detectors

@return the constructed ChainedAttributeDetector instance
ambari-server/src/main/java/org/apache/ambari/server/ldap/service/ads/detectors/AttributeDetectorFactory.java