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