try {
                digest.sign(data, 0, data.length, request, response);
                // If no exception is thrown, the operation should have been no-op or handled gracefully
                assertTrue(true, "Sign operation after close should either throw exception or handle gracefully");
            } catch (RuntimeException e) {

For example, to declare a header of `X-Token` that can appear more than once, you can write:

{* ../../docs_src/header_params/tutorial003_an_py310.py hl[9] *}

If you communicate with that *path operation* sending two HTTP headers like:

```
X-Token: foo
X-Token: bar
```

The response would be like:

```JSON
{
    "X-Token values": [
        "bar",
        "foo"
    ]
}
```

    
    /**
     * Perform RDMA read operation
     */
    public abstract void rdmaRead(RdmaMemoryRegion localRegion, 
                                 long remoteAddress, 
                                 int remoteKey,
                                 int length) throws IOException;
    
    /**
     * Perform RDMA write operation
     */

    //                                               -------
    /**
     * Displays the details of a request header item.
     *
     * @param crudMode the CRUD mode for the operation
     * @param id the ID of the request header item to display
     * @return HTML response for the details page
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })

        byte b = (byte) 0xFF;
        int value = b & 0xFF;
        assertEquals(255, value, "Byte to unsigned conversion should work");

        // Test comparison operation
        assertTrue(value == 255, "Comparison should work correctly");
    }

    /**
     * Encode a string as 16-bit little-endian Unicode
     */
    private byte[] encodeUnicode(String s) {

# Devolver una Response Directamente

Cuando creas una *path operation* en **FastAPI**, normalmente puedes devolver cualquier dato desde ella: un `dict`, una `list`, un modelo de Pydantic, un modelo de base de datos, etc.

Por defecto, **FastAPI** convertiría automáticamente ese valor de retorno a JSON usando el `jsonable_encoder` explicado en [JSON Compatible Encoder](../tutorial/encoder.md){.internal-link target=_blank}.

        assertNull(exception.getCause());
    }

    public void test_constructor_withMessageAndCause() {
        // Test constructor with message and cause
        String message = "Dictionary operation failed";
        Exception cause = new RuntimeException("Underlying error");
        DictionaryException exception = new DictionaryException(message, cause);

        assertNotNull(exception);

| Minimum object size                                                             | 0 B                                                                             |
| Maximum object size per PUT operation                                           | 5 TiB                                                                           |

// The error is [ErrBufferFull] if n is larger than b's buffer size.
//
// Calling Peek prevents a [Reader.UnreadByte] or [Reader.UnreadRune] call from succeeding
// until the next read operation.
func (b *Reader) Peek(n int) ([]byte, error) {
	if n < 0 {
		return nil, ErrNegativeCount
	}

	b.lastByte = -1
	b.lastRuneSize = -1

	for b.w-b.r < n && b.w-b.r < len(b.buf) && b.err == nil {

     * @throws SmbException if an error occurs during the rename operation
     */
    public void renameTo(final SmbFile dest) throws SmbException {
        if (getUncPath0().length() == 1 || dest.getUncPath0().length() == 1) {
            throw new SmbException("Invalid operation for workgroups, servers, or shares");
        }

        resolveDfs(null);