public Map<String, String> getAmbariServerProperties() {
    return conf.getAmbariProperties();
  }
Gets the requested service-level Kerberos descriptor(s)
<p/>
An array of descriptors are returned since the kerberos.json in a service directory may contain
descriptor details for one or more services.

@param serviceInfo a ServiceInfo declaring the stack name, version, a service (directory) name
                   details
@return an array of KerberosServiceDescriptors, or null if the relevant service (directory)
does not contain Kerberos descriptor details
@throws AmbariException if an error occurs reading or parsing the service's kerberos.json files
ambari-server/src/main/java/org/apache/ambari/server/api/services/AmbariMetaInfo.java