code: public void validInfoOnCompleted(@NonNull DownloadTask task, @NonNull DownloadStore store) {
          BreakpointInfo info = store.getAfterCompleted(task.getId());
          if (info == null) {
              info = new BreakpointInfo(task.getId(), task.getUrl(), task.getParentFile(),
                      task.getFilename());
              final long size;
              if (Util.isUriContentScheme(task.getUri())) {
                  size = Util.getSizeFromContentUri(task.getUri());
              } else {
                  final File file = task.getFile();
                  if (file == null) {
                      size = 0;
                      Util.w(TAG, "file is not ready on valid info for task on complete state "
                              + task);
                  } else {
                      size = file.length();
                  }
              }
              info.addBlock(new BlockInfo(0, size, size));
          }
          DownloadTask.TaskHideWrapper.setBreakpointInfo(task, info);
      }
docs: Valid info for {@code task} on completed state.