docs: public com.squareup.okhttp.Call getWarsWarIdAsync(Integer warId, String datasource, String ifNoneMatch,
              final ApiCallback<WarResponse> callback) throws ApiException {
  
          com.squareup.okhttp.Call call = getWarsWarIdValidateBeforeCall(warId, datasource, ifNoneMatch, callback);
          Type localVarReturnType = new TypeToken<WarResponse>() {
          }.getType();
          apiClient.executeAsync(call, localVarReturnType, callback);
          return call;
      }