final StringBuilder buffer = new StringBuilder(200);
        for (final byte element : digest) {
            final String tmp = Integer.toHexString(element & 0xff);
            if (tmp.length() == 1) {
                buffer.append('0').append(tmp);
            } else {
                buffer.append(tmp);
            }
        }
        return buffer.toString();
    }

        byte[] buffer = new byte[10];

        // Act
        int bytesWritten = transPeekNamedPipe.writeSetupWireFormat(buffer, 0);

        // Assert
        assertEquals(4, bytesWritten);
        assertEquals(SmbComTransaction.TRANS_PEEK_NAMED_PIPE, buffer[0]);
        assertEquals((byte) 0x00, buffer[1]);
        assertEquals((byte) 0x00, buffer[2]);
        assertEquals((byte) 0x00, buffer[3]);

    if (readBuffer.remaining() <= buffer.remaining()) {
      buffer.put(readBuffer);
      munchIfFull();
      return this;
    }

    // First add just enough to fill buffer size, and munch that
    int bytesToCopy = bufferSize - buffer.position();
    for (int i = 0; i < bytesToCopy; i++) {
      buffer.put(readBuffer.get());
    }
    munch(); // buffer becomes empty here, since chunkSize divides bufferSize

 * limitations under the License.
 */
package okhttp3.tls.internal.der

import java.math.BigInteger
import okio.Buffer
import okio.BufferedSink
import okio.ByteString

internal class DerWriter(
  sink: BufferedSink,
) {
  /** A stack of buffers that will be concatenated once we know the length of each. */
  private val stack = mutableListOf(sink)

  )

  private fun execute(
    engine: HttpEngine,
    executor: ExecutorService,
    url: String,
  ): CompletableFuture<Response> {
    val completableFuture = CompletableFuture<Response>()
    val buffer = Buffer()

    val req =
      engine
        .newUrlRequestBuilder(
          url,
          executor,
          object : Callback {
            override fun onRedirectReceived(

            assertEquals(5120L, SMBUtil.readInt8(buffer, offset + 8));
            assertEquals(8192, SMBUtil.readInt4(buffer, offset + 16));

            offset += CHUNK_SIZE;
            assertEquals(12288L, SMBUtil.readInt8(buffer, offset));
            assertEquals(13312L, SMBUtil.readInt8(buffer, offset + 8));
            assertEquals(16384, SMBUtil.readInt4(buffer, offset + 16));
        }

        // Verify by writing to buffer and checking the fileIndex position
        byte[] buffer = new byte[1024];
        request.writeBytesWireFormat(buffer, Smb2Constants.SMB2_HEADER_LENGTH);

        // FileIndex is at offset 4 in the request structure
        int readIndex = (buffer[Smb2Constants.SMB2_HEADER_LENGTH + 4] & 0xFF) | ((buffer[Smb2Constants.SMB2_HEADER_LENGTH + 5] & 0xFF) << 8)

import mockwebserver3.MockResponseBody
import okio.Buffer
import okio.BufferedSink

internal fun Buffer.toMockResponseBody(): MockResponseBody {
  val defensiveCopy = clone()
  return BufferMockResponseBody(defensiveCopy)
}

internal class BufferMockResponseBody(
  val buffer: Buffer,
) : MockResponseBody {
  override val contentLength = buffer.size

  override fun writeTo(sink: BufferedSink) {

        byte[] buffer = new byte[512];
        // Fill buffer with non-zero values to ensure padding writes zeros
        for (int i = 0; i < buffer.length; i++) {
            buffer[i] = (byte) 0xFF;
        }

        int written = trans2SetFileInfo.writeDataWireFormat(buffer, 0);

        // Should report 26 bytes written (20 from encode + 6 increment)

            if (LogStream.level >= 3) {
                log.println("TransTransactNamedPipe data too long for buffer");
            }
            return 0;
        }
        System.arraycopy(pipeData, pipeDataOff, dst, dstIndex, pipeDataLen);
        return pipeDataLen;
    }

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

    @Override