descriptor's requiredConnectivity field.

  * If <<<(offline == true) && (requiresOnline != true)>>>, bind
    the mojo to the lifecycle.

    In this case, the client is <<offline>>, and the mojo does not require
    online status.

  * If <<<(offline == false) && (requiresOnline == true)>>>, bind
    the mojo to the lifecycle.

    In this case, the client is <<online>>, and the mojo either requires

        }
        request.setOffline(session.isOffline());
        request.setForceUpdate(session.getRequest().isUpdateSnapshots());

        return request;
    }

    @Override
    public boolean isOffline() {
        return offline;
    }

    @Override
    public DefaultRepositoryRequest setOffline(boolean offline) {
        this.offline = offline;

        return this;
    }

    @Override

	// If not set the client will not keep track of health.
	// Calling this returns true or false if the target
	// is online or offline.
	HealthCheckFn func() bool

	// HealthCheckRetryUnit will be used to calculate the exponential
	// backoff when trying to reconnect to an offline node
	HealthCheckReconnectUnit time.Duration

	// HealthCheckTimeout determines timeout for each call.
	HealthCheckTimeout time.Duration

     */
    boolean isOffline();

    /**
     * Enables/disables network access to remote repositories.
     *
     * @param offline {@code true} to disable remote access, {@code false} to allow network access.
     * @return This request, never {@code null}.
     */
    RepositoryRequest setOffline(boolean offline);

    /**

                .append(remoteRepositories);

        return sb.toString();
    }

    @Override
    public boolean isOffline() {
        return offline;
    }

    @Override
    public ArtifactResolutionRequest setOffline(boolean offline) {
        this.offline = offline;

        return this;
    }

    @Override
    public boolean isForceUpdate() {
        return forceUpdate;
    }

        return this;
    }

    @Override
    public boolean isOffline() {
        return repositoryRequest.isOffline();
    }

    @Override
    public DefaultMetadataResolutionRequest setOffline(boolean offline) {
        repositoryRequest.setOffline(offline);

        return this;
    }

    @Override
    public boolean isForceUpdate() {

  <expressions>
    <expression>
      <syntax>settings.offline</syntax>
      <configuration>
        <![CDATA[
    <offline>true</offline>
    ]]></configuration>
      <description>
        <![CDATA[
      Flags the system as offline, to prevent accessing the network to resolve artifacts or execute plugins.

      NOTE: It's also possible to switch to offline mode on a per-build basis, using the '-o' command-line option.

					var lastOnline time.Time
					var offline time.Duration
					//	var deploymentID string
					sys.hMutex.RLock()
					prev, ok := sys.hc[result.Endpoint.Host]
					sys.hMutex.RUnlock()
					if ok {
						if prev.Online != result.Online || !result.Online {
							if !prev.lastHCAt.IsZero() {
								offline = time.Since(prev.lastHCAt) + prev.offlineDuration
							} else {

                .valueSeparator('=')
                .desc("Define a user property")
                .build());
        options.addOption(Option.builder(Character.toString(OFFLINE))
                .longOpt("offline")
                .desc("Work offline")
                .build());
        options.addOption(Option.builder(Character.toString(VERSION))
                .longOpt("version")

	}{
		{
			name:   "url.Error",
			err:    &url.Error{Op: "PUT", URL: "http://localhost/1234", Err: restError("remote server offline")},
			target: &url.Error{},
			want:   true,
		},
		{
			name: "net.Error",
			err:  &url.Error{Op: "PUT", URL: "http://localhost/1234", Err: restError("remote server offline")},
			want: true,
		},
		{
			name: "net.Error-unmatched",
			err:  errors.New("something"),
			want: false,
		},