docs: public CreateAppRequest withDataSources(DataSource... dataSources) {
          if (this.dataSources == null) {
              setDataSources(new com.amazonaws.internal.SdkInternalList<DataSource>(dataSources.length));
          }
          for (DataSource ele : dataSources) {
              this.dataSources.add(ele);
          }
          return this;
      }