code: public int getPageId() {
      if (DocumentElement_Type.featOkTst && ((DocumentElement_Type)jcasType).casFeat_pageId == null)
        jcasType.jcas.throwFeatMissing("pageId", "ch.epfl.bbp.uima.types.DocumentElement");
      return jcasType.ll_cas.ll_getIntValue(addr, ((DocumentElement_Type)jcasType).casFeatCode_pageId);}
docs: getter for pageId - gets
  @generated
  @return value of the feature