/**
     * Appends the string representation of an {@link Element}.
     *
     * @param element
     *            The element. Must not be {@literal null}.
     * @param buf
     *            The string buffer. Must not be {@literal null}.
     */
    public static void appendElement(final Element element, final StringBuilder buf) {
        assertArgumentNotNull("element", element);
        assertArgumentNotNull("buf", buf);

   * most [BufferedSource] instances, but not of [Buffer].
   */
  private fun responseBody(content: String): ResponseBody {
    val data = Buffer().writeUtf8(content)
    val source: Source =
      object : Source {
        var closed = false

        override fun close() {
          closed = true
        }

        override fun read(
          sink: Buffer,
          byteCount: Long,
        ): Long {

import java.io.IOException
import okio.BufferedSource
import okio.ByteString
import okio.ByteString.Companion.decodeHex
import okio.FileSystem
import okio.Path
import okio.Path.Companion.toOkioPath
import okio.buffer
import okio.source

/**
 * Utilities for reading HPACK tests.
 */
object HpackJsonUtil {
  @Suppress("unused")
  private val MOSHI =
    Moshi
      .Builder()
      .add(
        object : Any() {

        return dstIndex - start;
    }

    @Override
    protected int readParameterWordsWireFormat(final byte[] buffer, final int bufferIndex) {
        return 0;
    }

    @Override
    protected int readBytesWireFormat(final byte[] buffer, final int bufferIndex) {
        return 0;
    }

    @Override
    public String toString() {

        return 0;
    }

    @Override
    int readSetupWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    int readParametersWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    int readDataWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        if (pipe.pipeIn != null) {

            assertNotNull(bufferManager, "Buffer manager should be created");

            // Test buffer allocation for data transfer
            RdmaMemoryRegion sendBuffer = bufferManager.getSendRegion(8192);
            assertNotNull(sendBuffer, "Send buffer should be allocated");
            assertTrue(sendBuffer.getSize() >= 8192, "Send buffer should be at least 8KB");

                totalWritten += written;
            }

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

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

        } catch (IOException e) {
            state = RdmaConnectionState.ERROR;

    abstract int writeDataWireFormat(byte[] dst, int dstIndex);

    abstract int readSetupWireFormat(byte[] buffer, int bufferIndex, int len);

    abstract int readParametersWireFormat(byte[] buffer, int bufferIndex, int len);

    abstract int readDataWireFormat(byte[] buffer, int bufferIndex, int len);

    @Override
    public String toString() {

      Main().apply {
        parse(args.toList())
      }

    private fun bodyAsString(body: RequestBody?): String =
      try {
        val buffer = Buffer()
        body!!.writeTo(buffer)
        buffer.readString(body.contentType()!!.charset()!!)
      } catch (e: IOException) {
        throw RuntimeException(e)
      }
  }

        return 0;
    }

    @Override
    int readSetupWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    int readParametersWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    int readDataWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override