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