docs: public Observable<List<RegexEntityExtractor>> getRegexEntityInfosAsync(UUID appId, String versionId, GetRegexEntityInfosOptionalParameter getRegexEntityInfosOptionalParameter) {
          return getRegexEntityInfosWithServiceResponseAsync(appId, versionId, getRegexEntityInfosOptionalParameter).map(new Func1<ServiceResponse<List<RegexEntityExtractor>>, List<RegexEntityExtractor>>() {
              @Override
              public List<RegexEntityExtractor> call(ServiceResponse<List<RegexEntityExtractor>> response) {
                  return response.body();
              }
          });
      }