docs: public Observable<GetEnvironmentResponseInner> getEnvironmentAsync(String userName, String environmentId) {
          return getEnvironmentWithServiceResponseAsync(userName, environmentId).map(new Func1<ServiceResponse<GetEnvironmentResponseInner>, GetEnvironmentResponseInner>() {
              @Override
              public GetEnvironmentResponseInner call(ServiceResponse<GetEnvironmentResponseInner> response) {
                  return response.body();
              }
          });
      }