static Class hotwire_finish(ClassLoader classLoader, S progID, S javaSource) {
  ret hotwire_finish(classLoader, progID, javaSource, "main");
}

static Class hotwire_finish(ClassLoader classLoader, S progID, S javaSource, S mainClass) ctex {
  // load & return main class
  Class<?> theClass = classLoader.loadClass(mainClass);
  
  Class j = getJavaX();
  
  setOpt(theClass, "myJavaSource_code", javaSource);
  
  synchronized(j) { // hopefully this goes well...
    call(j, "setVars", theClass, progID);
    callOpt(j, "addInstance", progID, theClass);
  }
  
  hotwire_copyOver(theClass);
  vmBus_send hotwireFinished(theClass, mc());
  ret theClass;
}