public Set<String> getSSOEnabledServices() {
    return getEnabledServices(SSO_CONFIGURATION.getCategoryName(), SSO_MANAGE_SERVICES.key(), SSO_ENABLED_SERVICES.key());
  }
Gets the set of services for which the user declared  Ambari to enable SSO integration.
<p>
If Ambari is not managing SSO integration configuration for services the set of names will be empry.

@return a set of service names
ambari-server/src/main/java/org/apache/ambari/server/controller/internal/AmbariServerSSOConfigurationHandler.java