code: public Observable<TermList> getDetailsAsync(String listId) {
          return getDetailsWithServiceResponseAsync(listId).map(new Func1<ServiceResponse<TermList>, TermList>() {
              @Override
              public TermList call(ServiceResponse<TermList> response) {
                  return response.body();
              }
          });
      }
docs: Returns list Id details of the term list with list Id equal to list Id passed.
  
  @param listId List Id of the image list.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the TermList object