if (pt instanceof Oplan) { reconcileOplan((Oplan)t, (Oplan) pt); } else if (pt instanceof OplanContributor) { reconcileOplanContributor((OplanContributor) t, (OplanContributor) pt); }
  private void reconcile(Transferable t, Transferable pt) {    if (pt instanceof Oplan) {      reconcileOplan((Oplan)t, (Oplan) pt);    } else if (pt instanceof OplanContributor) {      reconcileOplanContributor((OplanContributor) t, (OplanContributor) pt);    }  }