code: public void setDocuments(int i, Document v) { 
      if (SourceFile_Type.featOkTst && ((SourceFile_Type)jcasType).casFeat_documents == null)
        jcasType.jcas.throwFeatMissing("documents", "de.julielab.jules.types.ace.SourceFile");
      jcasType.jcas.checkArrayBounds(jcasType.ll_cas.ll_getRefValue(addr, ((SourceFile_Type)jcasType).casFeatCode_documents), i);
      jcasType.ll_cas.ll_setRefArrayValue(jcasType.ll_cas.ll_getRefValue(addr, ((SourceFile_Type)jcasType).casFeatCode_documents), i, jcasType.ll_cas.ll_getFSRef(v));}
docs: indexed setter for documents - sets an indexed value -
  @generated
  @param i index in the array to set
  @param v value to set into the array