import org.jspecify.annotations.NullUnmarked;

/**
 * A generator of {@code TestSuite} instances for testing {@code ByteSink} implementations.
 * Generates tests of all methods on a {@code ByteSink} given various inputs written to it as well
 * as sub-suites for testing the {@code CharSink} view in the same way.
 *
 * @author Colin Decker
 */
@AndroidIncompatible // TODO(b/230620681): Make this available (even though we won't run it).

     *
     * <p>This method processes the image content associated with the thumbnail ID,
     * validates the image format, applies scaling and cropping transformations,
     * and writes the resulting thumbnail to the output file.</p>
     *
     * @param thumbnailId the unique identifier for the thumbnail
     * @param outputFile the file where the generated thumbnail will be saved

            final Path tempFile = ComponentUtil.getSystemHelper().createTempFile("fess-badword-", ".csv").toPath();
            try {
                try (Writer writer = new BufferedWriter(new OutputStreamWriter(Files.newOutputStream(tempFile), getCsvEncoding()))) {
                    badWordService.exportCsv(writer);
                } catch (final Exception e) {
                    logger.warn("Failed to process a request.", e);

        } finally {
            lock.writeLock().unlock();
        }
    }
    
    private void flushCachedWrites(String path) {
        // Implementation to flush cached writes
        // This will be called when losing write cache
    }
    
    private void invalidateReadCache(String path) {
        // Implementation to invalidate read cache
        // This will be called when losing read cache
    }
}

	buf := bytes.Buffer{}
	buf.Write([]byte{'h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd'})
	os.Stdout.Write(buf.Bytes())
	// Output: hello world
}

func ExampleBuffer_AvailableBuffer() {
	var buf bytes.Buffer
	for i := 0; i < 4; i++ {
		b := buf.AvailableBuffer()
		b = strconv.AppendInt(b, int64(i), 10)
		b = append(b, ' ')
		buf.Write(b)
	}
	os.Stdout.Write(buf.Bytes())
	// Output: 0 1 2 3
}

        // Act
        // Get output stream and write data to it
        OutputStream os = ntlmConnection.getOutputStream();
        assertNotNull(os);
        byte[] testData = "test data".getBytes();
        os.write(testData);
        os.flush();
        os.close();

        // Assert
        // Verify that data was written to the underlying stream through CacheStream

///

/// tip

Notice that in this case we are using a standard Python `open()` function that interacts with a file.

So, it involves I/O (input/output), that requires "waiting" for things to be written to disk.

But `open()` doesn't use `async` and `await`.

So, we declare the event handler function with standard `def` instead of `async def`.

///

        File invalidCertFile = null;
        try {
            invalidCertFile = File.createTempFile("invalid_cert", ".crt");
            try (FileWriter writer = new FileWriter(invalidCertFile)) {
                writer.write("INVALID CERTIFICATE CONTENT");
            }

            setupMockConfig("localhost:9200", "", "", invalidCertFile.getAbsolutePath());

            curlHelper.init();

	if err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

	var s strings.Builder
	for _, subSysConfig := range subSysConfigs {
		subSysConfig.WriteTo(&s, false)
	}

	password := cred.SecretKey
	econfigData, err := madmin.EncryptData(password, []byte(s.String()))
	if err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return

`UploadFile` has the following `async` methods. They all call the corresponding file methods underneath (using the internal `SpooledTemporaryFile`).

* `write(data)`: Writes `data` (`str` or `bytes`) to the file.
* `read(size)`: Reads `size` (`int`) bytes/characters of the file.
* `seek(offset)`: Goes to the byte position `offset` (`int`) in the file.