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