}
      return;
    }
    fail();
  }

  /** An object with a friendly {@link #toString()}. */
  private static final class TestObject {
    final int group;
    final int item;

    TestObject(int group, int item) {
      this.group = group;
      this.item = item;
    }

    @Override
    public String toString() {

    /**
     * Default constructor for Referral.
     */
    public Referral() {
        // Default constructor
    }

    int version;
    int size;
    int serverType;
    int rflags;
    int proximity;
    String altPath;

    int ttl;
    String rpath = null;
    String node = null;
    String specialName = null;

    String[] expandedNames = {};

    /**

---

## Install FastAPI { #install-fastapi }

The first step is to install FastAPI.

Make sure you create a [virtual environment](../virtual-environments.md){.internal-link target=_blank}, activate it, and then **install FastAPI**:

<div class="termy">

```console
$ pip install "fastapi[standard]"

---> 100%
```

</div>

/// note

  }

  @Benchmark
  public int countIn(int reps) {
    int result = 0;
    CharMatcher matcher = this.matcher;
    String teststring = this.teststring;
    for (int i = 0; i < reps; i++) {
      result += matcher.countIn(teststring);
    }
    return result;
  }

  @Benchmark
  public int collapseFrom(int reps) {
    int result = 0;
    CharMatcher matcher = this.matcher;

      ImmutableList<Parameter> params = invokable.getParameters();
      for (int i = 0; i < args.length; i++) {
        Parameter param = params.get(i);
        if (!isNullable(param)) {
          checkNotNull(args[i]);
        }
      }
      return dummyReturnValue(interfaceType.resolveType(method.getGenericReturnType()));
    }

    @Override
    public int hashCode() {
      return identity().hashCode();
    }

        final int length = string.length();
        if (length == 0) {
            return new byte[0];
        }
        final int pad = string.charAt(length - 2) == '=' ? 2 : string.charAt(length - 1) == '=' ? 1 : 0;
        final int size = length * 3 / 4 - pad;
        final byte[] buffer = new byte[size];
        int block;
        int i = 0;
        int index = 0;
        while (i < length) {

     */
    private static byte[] newBuffer(int length) {
        // initialise with distinct pattern to detect unused trailing bytes
        byte[] buf = new byte[length];
        Arrays.fill(buf, (byte) 0xFF);
        return buf;
    }

    @Test
    @DisplayName("constructor initialises command and parameters correctly")
    void testConstructorInitialisesFields() throws Exception {
        int level = 42;

### Check the docs { #check-the-docs }

Now you can start your app and go to <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.

You will see your docs have the normal *path operations* and now also some **webhooks**:

    public ColumnInfo columnUpdatedTime() {
        return _columnUpdatedTime;
    }

    public ColumnInfo columnVirtualHosts() {
        return _columnVirtualHosts;
    }

    protected List<ColumnInfo> ccil() {
        List<ColumnInfo> ls = newArrayList();
        ls.add(columnAvailable());
        ls.add(columnBoost());
        ls.add(columnConfigParameter());
        ls.add(columnCreatedBy());

  }

  /*
   * Overridden for performance. For unescaped strings this improved the performance of the uri
   * escaper from ~760ns to ~400ns as measured by {@link CharEscapersBenchmark}.
   */
  @Override
  protected int nextEscapeIndex(CharSequence csq, int index, int end) {
    checkNotNull(csq);
    for (; index < end; index++) {
      char c = csq.charAt(index);
      if (c >= safeOctets.length || !safeOctets[c]) {