docs: public com.squareup.okhttp.Call getUniverseConstellationsConstellationIdAsync(Integer constellationId,
              String acceptLanguage, String datasource, String ifNoneMatch, String language,
              final ApiCallback<ConstellationResponse> callback) throws ApiException {
  
          com.squareup.okhttp.Call call = getUniverseConstellationsConstellationIdValidateBeforeCall(constellationId,
                  acceptLanguage, datasource, ifNoneMatch, language, callback);
          Type localVarReturnType = new TypeToken<ConstellationResponse>() {
          }.getType();
          apiClient.executeAsync(call, localVarReturnType, callback);
          return call;
      }