} // -- void setAddDefaultEntities( boolean )

    protected Model read(Reader reader, boolean strict, InputSource source) throws IOException, XmlPullParserException {
        try {
            org.apache.maven.api.model.Model model =
                    delegate.read(reader, strict, source != null ? source.toApiSource() : null);
            return new Model(model);
        } catch (XMLStreamException e) {

    try {
      multiset.add(entry.getElement(), entry.getCount());
      fail("Expected IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }

    try {
      multiset.add(entry.getElement());
      fail("Expected IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }

    try {

      stopwatch.start();
      V previousValue;
      try {
        previousValue = oldValue.waitForValue();
      } catch (ExecutionException e) {
        previousValue = null;
      }
      V newValue;
      try {
        newValue = function.apply(key, previousValue);
      } catch (Throwable th) {
        this.setException(th);

In your WebSocket route you can `await` for messages and send messages.

```Python hl_lines="48-52"
{!../../docs_src/websockets/tutorial001.py!}
```

You can receive and send binary, text, and JSON data.

## Try it

If your file is named `main.py`, run your application with:

<div class="termy">

```console
$ fastapi dev main.py

# does not have "python", "core" directories. Then, it will be copied
# to tensorflow/ which does have these two directories.

try:
  del python
except NameError:
  pass
try:
  del core
except NameError:
  pass
try:
  del compiler
except NameError:
  pass

    assertEquals(0, sb2.length());

    try {
      joiner.appendTo(NASTY_APPENDABLE, set);
    } catch (IOException e) {
      throw new AssertionError(e);
    }

    try {
      joiner.appendTo(NASTY_APPENDABLE, set.iterator());
    } catch (IOException e) {
      throw new AssertionError(e);
    }

    try {
      joiner.appendTo(NASTY_APPENDABLE, array);

    if (JAVA_IO_TMPDIR.value().equals("/sdcard")) {
      assertThrows(IllegalStateException.class, Files::createTempDir);
      return;
    }
    File temp = Files.createTempDir();
    try {
      assertThat(temp.exists()).isTrue();
      assertThat(temp.isDirectory()).isTrue();
      assertThat(temp.listFiles()).isEmpty();
      File child = new File(temp, "child");

     * {@inheritDoc}
     * 
     * @throws CIFSException
     * 
     * @see jcifs.CIFSContext#get(java.lang.String)
     */
    @Override
    public SmbResource get ( String url ) throws CIFSException {
        try {
            return new SmbFile(url, this);
        }
        catch ( MalformedURLException e ) {
            throw new CIFSException("Invalid URL " + url, e);
        }
    }


    /**
     * 

) : Http2Connection.Listener() {
  private fun run() {
    val serverSocket = ServerSocket(8888)
    serverSocket.reuseAddress = true
    while (true) {
      var socket: Socket? = null
      try {
        socket = serverSocket.accept()
        val sslSocket = doSsl(socket)
        val protocolString = Platform.get().getSelectedProtocol(sslSocket)

                  assertEquals(v3(), newV);
                  return null;
                }));
    expectMissing(e0());
  }

  public void testMergeNullValue() {
    try {
      getMap()
          .merge(
              k0(),
              null,
              (oldV, newV) -> {
                throw new AssertionFailedError("Should not call merge function if value was null");