# Parâmetros de path e validações numéricas { #path-parameters-and-numeric-validations }

Da mesma forma que você pode declarar mais validações e metadados para parâmetros de consulta com `Query`, você pode declarar o mesmo tipo de validações e metadados para parâmetros de path com `Path`.

## Importe `Path` { #import-path }

Primeiro, importe `Path` de `fastapi`, e importe `Annotated`:

@GwtIncompatible // not worth using in GWT for now
final class CompactLinkedHashMap<K extends @Nullable Object, V extends @Nullable Object>
    extends CompactHashMap<K, V> {
  // TODO(lowasser): implement removeEldestEntry so this can be used as a drop-in replacement

  /** Creates an empty {@code CompactLinkedHashMap} instance. */
  public static <K extends @Nullable Object, V extends @Nullable Object>

    }

    @Test
    @DisplayName("Test invalid buffer size for decoding")
    public void testInvalidBufferSize() {
        byte[] smallBuffer = new byte[4]; // Too small

        assertThrows(SMBProtocolDecodingException.class, () -> {
            context.decode(smallBuffer, 0, smallBuffer.length);
        });
    }

    @Test
    @DisplayName("Test algorithm name resolution")

    public static int readn(final InputStream in, final byte[] b, final int off, final int len) throws IOException {
        int i = 0, n = -5;

        if (off + len > b.length) {
            throw new IOException("Buffer too short, bufsize " + b.length + " read " + len);
        }

        while (i < len) {
            n = in.read(b, off + i, len - i);
            if (n <= 0) {
                break;
            }
            i += n;

    assertFalse(set.contains(0));
    assertTrue(set.contains(1));
    assertTrue(set.contains(2));
    assertTrue(set.contains(3));
    assertFalse(set.contains(4));
  }

  // TODO: https://youtrack.jetbrains.com/issue/KT-71001/ - Enable when Kotlin throws expected CCE.
  @J2ktIncompatible
  public void testContains_typeMismatch() {

            assertEquals(4, bytesRead);
        }

        @Test
        @DisplayName("Should throw exception with buffer too small to read structure size")
        void testReadBytesWireFormatInsufficientBufferForStructureSize() {
            // Given
            byte[] buffer = new byte[1]; // Too small to read 2-byte structure size

            // When & Then

   */
  protected abstract void run() throws Exception;

  /**
   * Stop the service. This method is invoked on the execution thread.
   *
   * <p>By default this method does nothing.
   */
  // TODO: consider supporting a TearDownTestCase-like API
  protected void shutDown() throws Exception {}

  /**
   * Invoked to request the service to stop.
   *
   * <p>By default this method does nothing.
   *

<la:form action="/search" method="get" styleId="searchForm"
	role="search">
	${fe:facetForm()}${fe:geoForm()}
	<header>
		<nav class="navbar navbar-expand-md navbar-dark fixed-top bg-dark d-print-none">
			<div id="content" class="container">
				<la:link styleClass="navbar-brand d-inline-flex" href="/">
					<img src="${fe:url('/images/logo-head.png')}"
						alt="<la:message key="labels.header_brand_name" />"

    protected void doReceiveFragment(final byte[] buf, final boolean isDirect) throws IOException {
        int off, flags, length;

        if (buf.length < max_recv) {
            throw new IllegalArgumentException("buffer too small");
        }

        if (isStart && !isDirect) { // start of new frag, do trans
            off = in.read(buf, 0, 1024);
        } else {
            off = in.readDirect(buf, 0, buf.length);
        }

Using the below example document:
<img width="85%" src="https://bradley.codes/static/img/jstream-levels.gif" alt="jstream"/>

we can choose to extract and act only the objects within the top-level array:
```go
f, _ := os.Open("input.json")
decoder := jstream.NewDecoder(f, 1) // extract JSON values at a depth level of 1
for mv := range decoder.Stream() {
  fmt.Printf("%v\n ", mv.Value)
}
```

output: