code: public String getLanguage() {
      if (Header_Type.featOkTst && ((Header_Type)jcasType).casFeat_language == null)
        jcasType.jcas.throwFeatMissing("language", "de.julielab.jules.types.Header");
      return jcasType.ll_cas.ll_getStringValue(addr, ((Header_Type)jcasType).casFeatCode_language);}
docs: getter for language - gets The language of the document, O
  @generated
  @return value of the feature