docs: private int deleteSegments(Log log, List<LogSegment> segments) {
          int total = 0;
          for (LogSegment segment : segments) {
              boolean deleted = false;
              try {
                  try {
                      segment.getMessageSet().close();
                  } catch (IOException e) {
                      logger.warn(e.getMessage(), e);
                  }
                  if (!segment.getFile().delete()) {
                      deleted = true;
                  } else {
                      total += 1;
                  }
              } finally {
                  logger.warn(String.format("DELETE_LOG[%s] %s => %s", log.name, segment.getFile().getAbsolutePath(),
                          deleted));
              }
          }
          return total;
      }