docs: @Override
      public int getFlags () {
          int contextFlags = 0;
          if ( this.gssContext.getCredDelegState() ) {
              contextFlags |= NegTokenInit.DELEGATION;
          }
          if ( this.gssContext.getMutualAuthState() ) {
              contextFlags |= NegTokenInit.MUTUAL_AUTHENTICATION;
          }
          if ( this.gssContext.getReplayDetState() ) {
              contextFlags |= NegTokenInit.REPLAY_DETECTION;
          }
          if ( this.gssContext.getSequenceDetState() ) {
              contextFlags |= NegTokenInit.SEQUENCE_CHECKING;
          }
          if ( this.gssContext.getAnonymityState() ) {
              contextFlags |= NegTokenInit.ANONYMITY;
          }
          if ( this.gssContext.getConfState() ) {
              contextFlags |= NegTokenInit.CONFIDENTIALITY;
          }
          if ( this.gssContext.getIntegState() ) {
              contextFlags |= NegTokenInit.INTEGRITY;
          }
          return contextFlags;
      }