code: public GetAvailableGenreSeedsRequest.Builder getAvailableGenreSeeds() {
      return new GetAvailableGenreSeedsRequest.Builder(accessToken)
              .setDefaults(httpManager, scheme, host, port);
    }
docs: Retrieve a list of available genres seed parameter values for recommendations.
  
  @return A {@link GetAvailableGenreSeedsRequest.Builder}.