}

    @Override
    public long copyTo(CharSink sink) throws IOException {
      checkNotNull(sink);
      Closer closer = Closer.create();
      try {
        Writer writer = closer.register(sink.openStream());
        writer.write((String) seq);
        return seq.length();
      } catch (Throwable e) {
        throw closer.rethrow(e);
      } finally {
        closer.close();
      }
    }
  }

            while (writeBuffer.hasRemaining()) {
                int written = socketChannel.write(writeBuffer);
                totalWritten += written;
            }

            // Update original buffer position
            buffer.position(buffer.position() + totalWritten);

            log.debug("TCP RDMA write completed: {} bytes", totalWritten);
            return totalWritten;

        return FormatType.OTHER;
    }

    /**
     * Writes text content to the HTTP response with specified content type and encoding.
     * @param text The text content to write.
     * @param contentType The content type for the response.
     * @param encoding The character encoding for the response.
     */
    protected void write(final String text, final String contentType, final String encoding) {

                writeFesenCat(zos, diagnosticId);
                writeFesenJson(zos, diagnosticId);
            }
        });
    }

    /**
     * Writes OpenSearch JSON API responses to the ZIP output stream.
     *
     * @param zos the ZIP output stream to write to
     * @param id the diagnostic ID for organizing files in the ZIP
     */
    protected void writeFesenJson(final ZipOutputStream zos, final String id) {

    }

    // Helper method to write content to test file
    private void writeTestFile(String content) throws IOException {
        Writer writer = null;
        try {
            writer = new OutputStreamWriter(new FileOutputStream(testFile), Constants.UTF_8);
            writer.write(content);
            writer.flush();
        } finally {
            CloseableUtil.closeQuietly(writer);

    }

    String toXml(Model model) throws IOException, XMLStreamException {
        StringWriter sw = new StringWriter();
        MavenStaxWriter writer = new MavenStaxWriter();
        writer.setAddLocationInformation(false);
        writer.write(sw, model);
        return sw.toString();
    }

    Model fromXml(String xml) throws XMLStreamException {
        return new MavenStaxReader().read(new StringReader(xml));

        // Verify that data was written (should write 22 bytes based on implementation)
        assertEquals(22, result, "writeParameterWordsWireFormat should write 22 bytes");
    }

    @Test
    void testWriteBytesWireFormat() {
        byte[] dst = new byte[1024];
        int result = setupAndX.writeBytesWireFormat(dst, 0);

        // Verify that data was written

   *
   * For streaming requests with a body, headers must be prepared **before** the output stream has
   * been written to. Otherwise the body would need to be buffered!
   *
   * For non-streaming requests with a body, headers must be prepared **after** the output stream
   * has been written to and closed. This ensures that the `Content-Length` header field receives
   * the proper value.
   */

    assertOnFileDescriptor(content = "Hello") { fd ->
      val requestBody = fd.toRequestBody()

      val buffer = Buffer()
      requestBody.writeTo(buffer)
      assertThat(buffer.readUtf8()).isEqualTo("Hello")

      assertThrows(IOException::class.java) {
        requestBody.writeTo(Buffer())
      }
    }
  }

  @Test
  fun testFileDescriptorAfterClose() {

            // Buffer byte
            assertEquals(0, buffer[48]); // One byte in buffer must be zero

            // Verify total bytes written
            assertEquals(49, bytesWritten);
        }

        @Test
        @DisplayName("Should write default values correctly")
        void testWriteBytesWireFormatDefaults() {
            byte[] buffer = new byte[256];