docs: private void deleteAsync(final File file) {
          new Thread(new Runnable() {
  
              @Override
              public void run() {
                  try {
                      try {
                          logger.info("Waiting for " + deleteBackupMs
                                      + " milliseconds before deleting " + file.getAbsolutePath());
                          Thread.sleep(deleteBackupMs);
                      } catch(InterruptedException e) {
                          logger.warn("Did not sleep enough before deleting backups");
                      }
                      logger.info("Deleting file " + file.getAbsolutePath());
                      Utils.rm(file);
                      logger.info("Deleting of " + file.getAbsolutePath()
                                  + " completed successfully.");
                      storeVersionManager.syncInternalStateFromFileSystem(true);
                  } catch(Exception e) {
                      logger.error("Exception during deleteAsync for path: " + file, e);
                  }
              }
          }, "background-file-delete").start();
      }