docs: public synchronized void installJAASConfiguration(ConcurrentServiceReferenceMap<String, JAASLoginContextEntry> jaasLoginContextEntries) {
          jaasConfiguration = jaasConfigurationRef.getServiceWithException();
          jaasConfiguration.setJaasLoginContextEntries(jaasLoginContextEntries);
          Map<String, List<AppConfigurationEntry>> jaasConfigurationEntries = jaasConfiguration.getEntries();
  
          if (jaasSecurityConfiguration == null) {
              jaasSecurityConfiguration = new JAASSecurityConfiguration();
              Configuration.setConfiguration(jaasSecurityConfiguration);
          }
          if (jaasConfigurationEntriesFromJaasConfig != null) {
              checkForDuplicateEntries(jaasConfigurationEntries);
          }
          jaasSecurityConfiguration.setAppConfigurationEntries(jaasConfigurationEntries);
      }