code: public String getSectionId() {
      if (Section_Type.featOkTst && ((Section_Type)jcasType).casFeat_sectionId == null)
        jcasType.jcas.throwFeatMissing("sectionId", "de.julielab.jules.types.Section");
      return jcasType.ll_cas.ll_getStringValue(addr, ((Section_Type)jcasType).casFeatCode_sectionId);}
docs: getter for sectionId - gets the id of the section, for example as mentioned in the original file, or level of the section
  @generated
  @return value of the feature