code: public void setProtein(Protein v) {
      if (CellTypeProteinConcentration_Type.featOkTst && ((CellTypeProteinConcentration_Type)jcasType).casFeat_protein == null)
        jcasType.jcas.throwFeatMissing("protein", "ch.epfl.bbp.uima.types.CellTypeProteinConcentration");
      jcasType.ll_cas.ll_setRefValue(addr, ((CellTypeProteinConcentration_Type)jcasType).casFeatCode_protein, jcasType.ll_cas.ll_getFSRef(v));}
docs: setter for protein - sets
  @generated
  @param v value to set into the feature