final int chunkSize;
    final int bufferSize;
    final ByteArrayOutputStream out = new ByteArrayOutputStream();

    int processCalled = 0;
    boolean remainingCalled = false;

    Sink(int chunkSize, int bufferSize) {
      super(chunkSize, bufferSize);
      this.chunkSize = chunkSize;
      this.bufferSize = bufferSize;
    }

    Sink(int chunkSize) {
      super(chunkSize);

        private final List<byte[]> cache;
        private final int bufferSize;
        private final int maxBuffers;

        public TestBufferCacheImpl(int maxBuffers, int bufferSize) {
            this.maxBuffers = maxBuffers;
            this.bufferSize = bufferSize;
            this.cache = new ArrayList<>(maxBuffers);
        }

        @Override

     *
     * @param process the system process to wrap
     * @param bufferSize the buffer size for reading process output
     * @param outputCallback the callback function to handle process output lines
     */
    public JobProcess(final Process process, final int bufferSize, final Consumer<String> outputCallback) {
        this.process = process;

   * [WindowCounter] generally carries the client view of total and acked bytes.
   */
  fun receivingStreamWindowChanged(
    streamId: Int,
    windowCounter: WindowCounter,
    bufferSize: Long,
  )

  /**
   * Notification that the receiving connection flow control window has changed.
   * [WindowCounter] generally carries the client view of total and acked bytes.
   */

   */
  ReaderInputStream(Reader reader, CharsetEncoder encoder, int bufferSize) {
    this.reader = checkNotNull(reader);
    this.encoder = checkNotNull(encoder);
    checkArgument(bufferSize > 0, "bufferSize must be positive: %s", bufferSize);
    encoder.reset();

    charBuffer = CharBuffer.allocate(bufferSize);
    Java8Compatibility.flip(charBuffer);

    byteBuffer = ByteBuffer.allocate(bufferSize);

    checkArgument(bufferSize % chunkSize == 0);

    // TODO(user): benchmark performance difference with longer buffer
    // always space for a single primitive
    this.buffer = ByteBuffer.allocate(bufferSize + 7).order(ByteOrder.LITTLE_ENDIAN);
    this.bufferSize = bufferSize;
    this.chunkSize = chunkSize;
  }

  /** Processes the available bytes of the buffer (at most {@code chunk} bytes). */

     */
    public InputStreamThread(final InputStream is, final Charset charset, final int bufferSize, final Consumer<String> outputCallback) {
        super("InputStreamThread");
        this.bufferSize = bufferSize;
        this.outputCallback = outputCallback;

        br = new BufferedReader(new InputStreamReader(is, charset));
    }

    /**

            return buf;
        }

        // Validate buffer size to prevent overflow
        int bufferSize = SmbComTransaction.TRANSACTION_BUF_SIZE;
        if (bufferSize < 0 || bufferSize > MAX_BUFFER_SIZE) {
            throw new IllegalStateException("Invalid buffer size: " + bufferSize);
        }

        return new byte[bufferSize];
    }

    static void getBuffers(final SmbComTransaction req, final SmbComTransactionResponse rsp) {

                int bufferType = pacStream.readInt();
                int bufferSize = pacStream.readInt();
                long bufferOffset = pacStream.readLong();

                if (bufferOffset % 8 != 0) {
                    throw new PACDecodingException("Unaligned buffer " + bufferType);
                }

                byte[] bufferData = new byte[bufferSize];

/**
 * Cache for reusable byte buffers
 *
 *
 * <p>This class is intended for internal use.</p>
 */
public class BufferCacheImpl implements BufferCache {

    private final Object[] cache;
    private final int bufferSize;
    private int freeBuffers = 0;

    /**
     * Constructs a buffer cache using configuration settings.
     *
     * @param cfg the configuration to use for buffer cache settings
     */