code: public Observable<List<TermList>> getAllTermListsAsync() {
          return getAllTermListsWithServiceResponseAsync().map(new Func1<ServiceResponse<List<TermList>>, List<TermList>>() {
              @Override
              public List<TermList> call(ServiceResponse<List<TermList>> response) {
                  return response.body();
              }
          });
      }
docs: gets all the Term Lists.
  
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the List&lt;TermList&gt; object