@Override
    public String toString() {
      return "opCode:" + opCode + ",authOpCode:" + authzOpCode + ",clientNum:"
          + clientNum + ",flags:" + flags + ",numOps:" + indices.length + ",indices:"
          + indicesToString(indices);
    }
Indicates end of an operation block which should not be used for testing with failover
geode-dunit/src/main/java/org/apache/geode/security/ClientAuthorizationTestCase.java