class FlowInfo<I, U> {

  private I info;
  private U unit;
  private boolean before;

  public FlowInfo(I info, U unit, boolean b) {
    info(info);
    unit(unit);
    setBefore(b);
  }

  public U unit() {
    return unit;
  }

  public void unit(U u) {
    unit = u;
  }

  public I info() {
    return info;
  }

  public void info(I i) {
    info = i;
  }

  public boolean isBefore() {
    return before;
  }

  public void setBefore(boolean b) {
    before = b;
  }

  public String toString() {<FILL_FUNCTION_BODY>}
}

    StringBuffer sb = new StringBuffer();
    sb.append("unit: " + unit);
    sb.append(" info: " + info);
    sb.append(" before: " + before);
    return sb.toString();
  
<no_super_class>