means any form of electronic, verbal, or written communication sent
      to the Licensor or its representatives, including but not limited to
      communication on electronic mailing lists, source code control systems,
      and issue tracking systems that are managed by, or on behalf of, the
      Licensor for the purpose of discussing and improving the Work, but
      excluding communication that is conspicuously marked or otherwise

* Les arguments nommés à passer à la fonction de tâche (`message="some notification"`).

## Injection de dépendances

Utiliser `BackgroundTasks` fonctionne aussi avec le système d'injection de dépendances. Vous pouvez déclarer un paramètre de type `BackgroundTasks` à différents niveaux : dans une *fonction de chemin*, dans une dépendance, dans une sous-dépendance...

        if( CACHE_POLICY == 0 ) {
            return;
        }
        long expiration = -1;
        if( CACHE_POLICY != FOREVER ) {
            expiration = System.currentTimeMillis() + CACHE_POLICY * 1000;
        }
        cacheAddress( hostName, addr, expiration );
    }
    static void cacheAddress( Name hostName, NbtAddress addr, long expiration ) {

            long k = makeKey(curReq);

            if ( firstKey == 0 ) {
                firstKey = k;
            }

            if ( timeout > 0 ) {
                curResp.setExpiration(System.currentTimeMillis() + timeout);
            }
            else {
                curResp.setExpiration(null);
            }

            curResp.setMid(k);
            this.response_map.put(k, curResp);

 * FILE_WRITE_DATA</tt>) and the target file has the following security
 * descriptor ACEs:
 * <pre>
 * Allow WNET\alice     0x001200A9  Direct
 * Allow Administrators 0x001F01FF  Inherited
 * Allow SYSTEM         0x001F01FF  Inherited
 * </pre>
 * the access check would fail because the direct ACE has an access mask
 * of <tt>0x001200A9</tt> which doesn't have the

            ioe = new InterruptedIOException(root.getMessage());
            ioe.initCause(root);
        }
        return ioe;
    }

/**
 * Closes this input stream and releases any system resources associated with the stream.
 *
 * @throws IOException if a network error occurs
 */

    public void close() throws IOException {
        try {
            file.close();
            tmp = null;

            }
        } else {
            Properties props = new Properties();
            EnvironmentUtils.addEnvVars(props);
            props.putAll(System.getProperties());
            request.setSystemProperties(props);
        }

        return request;
    }

    @SuppressWarnings("unchecked")

        if (authenticator != null && fessConfig.getSystemPropertyAsBoolean(SPNEGO_INITIALIZED, false)) {
            return authenticator;
        }
        try {
            // set some System properties
            final SpnegoFilterConfig config = SpnegoFilterConfig.getInstance(new SpengoConfig());

            // pre-authenticate
            authenticator = new org.codelibs.spnego.SpnegoAuthenticator(config);

  class Builder {
    internal var client: OkHttpClient? = null
    internal var url: HttpUrl? = null
    internal var includeIPv6 = true
    internal var post = false
    internal var systemDns = Dns.SYSTEM
    internal var bootstrapDnsHosts: List<InetAddress>? = null
    internal var resolvePrivateAddresses = false
    internal var resolvePublicAddresses = true

    fun build(): DnsOverHttps {

    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initialize {}", this.getClass().getSimpleName());
        }
        if (baseDir == null) {
            baseDir = new File(System.getProperty("java.io.tmpdir"));
        }
        destoryTimer = new Timer("CommandGeneratorDestoryTimer-" + ComponentUtil.getSystemHelper().getCurrentTimeAsLong(), true);
        updateProperties();
    }