code: public void setColumnCount(int v) {
      if (DataTable_Type.featOkTst && ((DataTable_Type)jcasType).casFeat_columnCount == null)
        jcasType.jcas.throwFeatMissing("columnCount", "ch.epfl.bbp.uima.types.DataTable");
      jcasType.ll_cas.ll_setIntValue(addr, ((DataTable_Type)jcasType).casFeatCode_columnCount, v);}
docs: setter for columnCount - sets
  @generated
  @param v value to set into the feature