* @return Stella_Object
   */
  public static Stella_Object getInstance(Stella_Object instanceref) {
    if (instanceref == null) {
      return (null);
    }
    else if (Stella_Object.isaP(instanceref, Logic.SGT_LOGIC_LOGIC_OBJECT)) {
      return (instanceref);
    }
    else {
      return (Logic.coerceToInstanceInModule(instanceref, null, false, null));
    }
  }