docs: @Override
    public final void decryptLogs() throws Exception {
      File bkDir = new File(this.backupDir);
      if (bkDir.exists() && !bkDir.isFile()) {
        File[] files = bkDir.listFiles();
        if (files != null) {
          for (File fl : files) {
            if (fl.getName().endsWith(".logen")) {
              this.cryptoHelper.decryptFile(fl.getPath(), this.backupDir
                + File.separator + fl.getName().replace(".logen", ".log"));
            }
          }
        }
      }
    }