module opsamples {
  interface ops {
    void op1 ();  /* Which passes no values */
    void op2 (in long inl); /* Passing in a long */
    void op3 (in long inl, out long outl); /* Receives and outputs a long */
    long op4 (inout long iol);  /* Changes a long value, and produces a long */
  };
};
