public List<KerberosIdentityDescriptor> getIdentities() {
    try {
      return getIdentities(false, null);
    } catch (AmbariException e) {
      // AmbariException will not be thrown unless an error occurs while trying to dereference
      // identities.  This method does not attempt to dereference identities.
      return null;
    }
  }
Returns the raw List of KerberosIdentityDescriptors contained within this
AbstractKerberosDescriptorContainer.
<p/>
The returned KerberosIdentityDescriptors are not merged with data from referenced
KerberosConfigurationDescriptors. This is the same calling
{@link AbstractKerberosDescriptorContainer#getIdentities(boolean, Map)} and setting the
argument to 'false'

@return the relevant List of KerberosIdentityDescriptors
ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/AbstractKerberosDescriptorContainer.java