"200": {
                            "description": "Successful Response",
                            "content": {"application/json": {"schema": {}}},
                        },
                        "422": {
                            "description": "Validation Error",
                            "content": {
                                "application/json": {
                                    "schema": {

            // Read with UTF-8 encoding
            final String content = new String(is.readAllBytes(), StandardCharsets.UTF_8);

            // Verify encoding doesn't corrupt content
            assertTrue("Content should be valid", content.length() > 0);
            assertTrue("Should not contain encoding errors", !content.contains("\uFFFD"));

            // Verify JSON structure is intact

        String field = "content";

        List<String> results = converter.convert(text, field, "en", "ja");

        assertNotNull(results);
        // With multiple languages, should use ReadingConverterChain
    }

    @Test
    public void testConvertWithEmptyText() throws IOException {
        // Test convert with empty text
        String text = "";
        String field = "content";

    }

    /**
     * Inserts a new content element with the given name and text content.
     *
     * @param parent the parent element
     * @param name the name of the new element
     * @param content the text content
     * @return the new element
     *
     */
    public static Element insertContentElement(Element parent, String name, String content) {

                            "description": "Successful Response",
                            "content": {"application/json": {"schema": {}}},
                        },
                        "422": {
                            "description": "Validation Error",
                            "content": {
                                "application/json": {
                                    "schema": {

 http://www.eclipse.org/legal/epl-v10.html. For purposes of the EPL, "Program" will mean the Content. If you did not receive this Content directly from the Eclipse Foundation, the Content is being redistributed by another party ("Redistributor") and different terms and conditions may apply to your use of any object code in the Content. Check the Redistributor's license that was provided with the Content. If no such license exists, contact the Redistributor. Unless otherwise indicated below, the terms...

        ResponseData data = new ResponseData();

        byte[] content = "Test content".getBytes(StandardCharsets.UTF_8);
        data.setResponseBody(content);

        assertTrue(data.hasResponseBody());
        assertNotNull(data.getResponseBody());

        try (InputStream is = data.getResponseBody()) {
            byte[] buffer = new byte[content.length];
            int bytesRead = is.read(buffer);

     *
     * @param xContent the content object to convert
     * @param mediaType the media type for the output
     * @return an OutputStream containing the converted content
     */
    public static OutputStream getXContentOutputStream(final ToXContent xContent, final MediaType mediaType) {
        return getXContentBuilderOutputStream((builder, params) -> xContent.toXContent(builder, params), mediaType);
    }

    /**
     * Extracts the token value from the content using the given pattern.
     * @param tokenPattern The regex pattern.
     * @param content The content to search.
     * @return The extracted token value.
     */
    protected String getTokenValue(final String tokenPattern, final String content) {
        final Matcher matcher = Pattern.compile(tokenPattern).matcher(content);
        if (matcher.find()) {

    }

    /**
     * Append content to the message buffer.
     *
     * @param value the content to append
     * @return the current builder
     */
    @Nonnull
    default MessageBuilder a(char[] value) {
        return append(String.valueOf(value));
    }

    /**
     * Append content to the message buffer.
     *
     * @param value the content to append