@Override
  public int hashCode() {
    int result = (myAny ? 1 : 0);
    result = 31 * result + (myNothing ? 1 : 0);
    result = 31 * result + myResolveState.hashCode();
    result = 31 * result + (mySchema != null ? mySchema.hashCode() : 0);
    result = 31 * result + myPosition.hashCode();
    return result;
  }
@Override
  public int hashCode()