docs: public Observable<ServiceResponse<PersistedFace>> addPersonFaceFromUrlWithServiceResponseAsync(String personGroupId, UUID personId, String url, AddPersonFaceFromUrlOptionalParameter addPersonFaceFromUrlOptionalParameter) {
          if (this.client.azureRegion() == null) {
              throw new IllegalArgumentException("Parameter this.client.azureRegion() is required and cannot be null.");
          }
          if (personGroupId == null) {
              throw new IllegalArgumentException("Parameter personGroupId is required and cannot be null.");
          }
          if (personId == null) {
              throw new IllegalArgumentException("Parameter personId is required and cannot be null.");
          }
          if (url == null) {
              throw new IllegalArgumentException("Parameter url is required and cannot be null.");
          }
          final String userData = addPersonFaceFromUrlOptionalParameter != null ? addPersonFaceFromUrlOptionalParameter.userData() : null;
          final List<Integer> targetFace = addPersonFaceFromUrlOptionalParameter != null ? addPersonFaceFromUrlOptionalParameter.targetFace() : null;
  
          return addPersonFaceFromUrlWithServiceResponseAsync(personGroupId, personId, url, userData, targetFace);
      }