if incoming {
		if debugPrint {
			fmt.Println("deleteMux: disconnect incoming mux", muxID)
		}
		v, loaded := c.inStream.LoadAndDelete(muxID)
		if loaded && v != nil {
			gridLogIf(c.ctx, c.queueMsg(message{Op: OpDisconnectClientMux, MuxID: muxID}, nil))
			v.close()
		}
	} else {
		if debugPrint {
			fmt.Println("deleteMux: disconnect outgoing mux", muxID)
		}

                default:
                    disconnect(true);
                    throw new NbtException(NbtException.ERR_SSN_SRVC, errorCode);
                }
                break;
            case -1:
                disconnect(true);
                throw new NbtException(NbtException.ERR_SSN_SRVC, NbtException.CONNECTION_REFUSED);
            default:
                disconnect(true);

	}

	return target.send(eventData)
}

// Close - does nothing and available for interface compatibility.
func (target *MQTTTarget) Close() error {
	if target.client != nil {
		target.client.Disconnect(100)
	}
	close(target.quitCh)
	return nil
}

func (target *MQTTTarget) init() error {
	return target.initOnce.Do(target.initMQTT)
}

func (target *MQTTTarget) initMQTT() error {

        } catch( SmbException se ) {
            if (se.getNtStatus() == se.NT_STATUS_NETWORK_NAME_DELETED) {
                /* Someone removed the share while we were
                 * connected. Bastards! Disconnect this tree
                 * so that it reconnects cleanly should the share
                 * reappear in this client's lifetime.
                 */
                treeDisconnect( true );
            }

    public String getResponseMessage () throws IOException {
        handshake();
        return this.connection.getResponseMessage();
    }


    @Override
    public void disconnect () {
        this.connection.disconnect();
        this.handshakeComplete = false;
        this.connected = false;
    }


    @Override
    public boolean usingProxy () {
        return this.connection.usingProxy();

                try ( SmbTransportInternal transport = session.getTransport().unwrap(SmbTransportInternal.class) ) {
                    assertNotNull(transport);
                    transport.disconnect(true, true);
                    assertNotNull(f);
                    checkConnection(f);
                    f.exists();
                }
            }
        }
        catch ( Exception e ) {

                exceptionListener.accept(new CurlException("Failed to access to " + url, e));
            } finally {
                if (connection != null) {
                    connection.disconnect();
                }
            }
        };
        if (threadPool != null) {
            threadPool.execute(task);
        } else {
            task.run();
        }
    }

Now, to be able to test that everything works, create a *path operation*:

{* ../../docs_src/custom_docs_ui/tutorial002.py hl[39:41] *}

### Test Static Files UI

Now, you should be able to disconnect your WiFi, go to your docs at <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>, and reload the page.

		w.Header().Set("Content-Type", string(contentType))

		enc := expfmt.NewEncoder(w, contentType)
		for _, mf := range mfs {
			if err := enc.Encode(mf); err != nil {
				// client may disconnect for any reasons
				// we do not have to log this.
				return
			}
		}
		if closer, ok := enc.(expfmt.Closer); ok {
			closer.Close()
		}
	})
}

// NoAuthMiddleware no auth middle ware.

		o.Create = false
		o.ID = ""
		o.Transient = true
		return entries, errDiskFull
	}
	o.set = z.serverPools[o.pool].getHashedSetIndex(o.ID)
	saver := z.serverPools[o.pool].sets[o.set]

	// Disconnect from call above, but cancel on exit.
	listCtx, cancel := context.WithCancel(GlobalContext)
	saveCh := make(chan metaCacheEntry, metacacheBlockSize)
	inCh := make(chan metaCacheEntry, metacacheBlockSize)