docs: protected final String getForCopy(final Class<?> pClass) {
      if (this.seEntities.contains(pClass) || pClass == Deliv.class
        || pClass == PayMd.class) {
        return null;
      }
      if (pClass == ServiceSpecifics.class || pClass == GoodsSpecifics.class) {
        return PrcItemSpecificsRetrieve.class.getSimpleName();
      } else if (IPersistableBase.class.isAssignableFrom(pClass)) {
        return PrcEntityPbCopy.class.getSimpleName();
      }
      return PrcEntityCopy.class.getSimpleName();
    }