if (keyStore != null) {
            try {
                java.util.Enumeration<String> aliases = keyStore.aliases();
                while (aliases.hasMoreElements()) {
                    String alias = aliases.nextElement();
                    if (alias.startsWith("smb.session.")) {
                        keyStore.deleteEntry(alias);
                    }
                }
            } catch (Exception e) {

    Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
    assertTrue(interfaces.hasMoreElements());
    while (interfaces.hasMoreElements()) {
      NetworkInterface i = interfaces.nextElement();
      builder.add(i.getName()).add(String.valueOf(i.getIndex()));
    }
    return builder.build();
  }

  /** Checks that the IP converts to the big integer and the big integer converts to the IP. */

            final Enumeration<Locale> locales = request.getLocales();
            if (locales != null) {
                while (locales.hasMoreElements()) {
                    final Locale locale = locales.nextElement();
                    final String normalizeLang = systemHelper.normalizeLang(locale.toString());
                    if (normalizeLang != null) {
                        langSet.add(normalizeLang);
                    }

    private void scanJarFile(JarFile file, ImmutableSet.Builder<ResourceInfo> builder) {
      Enumeration<JarEntry> entries = file.entries();
      while (entries.hasMoreElements()) {
        JarEntry entry = entries.nextElement();
        if (entry.isDirectory() || entry.getName().equals(JarFile.MANIFEST_NAME)) {
          continue;
        }
        builder.add(ResourceInfo.of(new File(file.getName()), entry.getName(), classloader));
      }

       *
       * https://github.com/typetools/checker-framework/issues/3030
       *
       * https://github.com/typetools/checker-framework/issues/3236
       */
      String key = (String) requireNonNull(e.nextElement());
      /*
       * requireNonNull is safe because the key came from propertyNames...
       *
       * ...except that it's possible for users to insert a string key with a non-string value, and

       *
       * https://github.com/typetools/checker-framework/issues/3030
       *
       * https://github.com/typetools/checker-framework/issues/3236
       */
      String key = (String) requireNonNull(e.nextElement());
      /*
       * requireNonNull is safe because the key came from propertyNames...
       *
       * ...except that it's possible for users to insert a string key with a non-string value, and