code: @Override
      public String getNonNullCurrentFailureScopeIDString() {
          if (tc.isEntryEnabled())
              Tr.entry(tc, "getNonNullCurrentFailureScopeIDString");
  
          final String value = Configuration.getRecoveryLogComponent().getNonNullCurrentFailureScopeIDString(currentFailureScope().serverName());
  
          if (tc.isEntryEnabled())
              Tr.exit(tc, "getNonNullCurrentFailureScopeIDString", value);
          return value;
      }
docs: Invoked by a client service to determine the Stringified Identity of the current FailureScope.
  This is different to performing clusterIdentity() on the currentFailureScope in that if HA is not
  enabled then the identityString is non-null
  
  @return String The Identity string of the current FailureScope.