dubbo-remoting/dubbo-remoting-netty/src/main/java/org/apache/dubbo/remoting/transport/netty/NettyBackedChannelBuffer.java [199:313]:
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    @Override
    public int readableBytes() {
        return buffer.readableBytes();
    }

    @Override
    public byte readByte() {
        return buffer.readByte();
    }

    @Override
    public void readBytes(byte[] dst) {
        buffer.readBytes(dst);
    }

    @Override
    public void readBytes(byte[] dst, int dstIndex, int length) {
        buffer.readBytes(dst, dstIndex, length);
    }

    @Override
    public void readBytes(ByteBuffer dst) {
        buffer.readBytes(dst);
    }

    @Override
    public void readBytes(ChannelBuffer dst) {
        // careful
        readBytes(dst, dst.writableBytes());
    }

    @Override
    public void readBytes(ChannelBuffer dst, int length) {
        // careful
        if (length > dst.writableBytes()) {
            throw new IndexOutOfBoundsException();
        }
        readBytes(dst, dst.writerIndex(), length);
        dst.writerIndex(dst.writerIndex() + length);
    }

    @Override
    public void readBytes(ChannelBuffer dst, int dstIndex, int length) {
        // careful
        if (readableBytes() < length) {
            throw new IndexOutOfBoundsException();
        }
        byte[] data = new byte[length];
        buffer.readBytes(data, 0, length);
        dst.setBytes(dstIndex, data, 0, length);
    }

    @Override
    public ChannelBuffer readBytes(int length) {
        return new NettyBackedChannelBuffer(buffer.readBytes(length));
    }

    @Override
    public void resetReaderIndex() {
        buffer.resetReaderIndex();
    }

    @Override
    public void resetWriterIndex() {
        buffer.resetWriterIndex();
    }

    @Override
    public int readerIndex() {
        return buffer.readerIndex();
    }

    @Override
    public void readerIndex(int readerIndex) {
        buffer.readerIndex(readerIndex);
    }

    @Override
    public void readBytes(OutputStream dst, int length) throws IOException {
        buffer.readBytes(dst, length);
    }

    @Override
    public void setBytes(int index, byte[] src) {
        buffer.setBytes(index, src);
    }

    @Override
    public void setBytes(int index, ChannelBuffer src) {
        // careful
        setBytes(index, src, src.readableBytes());
    }

    @Override
    public void setBytes(int index, ChannelBuffer src, int length) {
        // careful
        if (length > src.readableBytes()) {
            throw new IndexOutOfBoundsException();
        }
        setBytes(index, src, src.readerIndex(), length);
        src.readerIndex(src.readerIndex() + length);
    }

    @Override
    public void setIndex(int readerIndex, int writerIndex) {
        buffer.setIndex(readerIndex, writerIndex);
    }

    @Override
    public void skipBytes(int length) {
        buffer.skipBytes(length);
    }

    @Override
    public ByteBuffer toByteBuffer() {
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dubbo-remoting/dubbo-remoting-netty4/src/main/java/org/apache/dubbo/remoting/transport/netty4/NettyBackedChannelBuffer.java [199:313]:
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    @Override
    public int readableBytes() {
        return buffer.readableBytes();
    }

    @Override
    public byte readByte() {
        return buffer.readByte();
    }

    @Override
    public void readBytes(byte[] dst) {
        buffer.readBytes(dst);
    }

    @Override
    public void readBytes(byte[] dst, int dstIndex, int length) {
        buffer.readBytes(dst, dstIndex, length);
    }

    @Override
    public void readBytes(ByteBuffer dst) {
        buffer.readBytes(dst);
    }

    @Override
    public void readBytes(ChannelBuffer dst) {
        // careful
        readBytes(dst, dst.writableBytes());
    }

    @Override
    public void readBytes(ChannelBuffer dst, int length) {
        // careful
        if (length > dst.writableBytes()) {
            throw new IndexOutOfBoundsException();
        }
        readBytes(dst, dst.writerIndex(), length);
        dst.writerIndex(dst.writerIndex() + length);
    }

    @Override
    public void readBytes(ChannelBuffer dst, int dstIndex, int length) {
        // careful
        if (readableBytes() < length) {
            throw new IndexOutOfBoundsException();
        }
        byte[] data = new byte[length];
        buffer.readBytes(data, 0, length);
        dst.setBytes(dstIndex, data, 0, length);
    }

    @Override
    public ChannelBuffer readBytes(int length) {
        return new NettyBackedChannelBuffer(buffer.readBytes(length));
    }

    @Override
    public void resetReaderIndex() {
        buffer.resetReaderIndex();
    }

    @Override
    public void resetWriterIndex() {
        buffer.resetWriterIndex();
    }

    @Override
    public int readerIndex() {
        return buffer.readerIndex();
    }

    @Override
    public void readerIndex(int readerIndex) {
        buffer.readerIndex(readerIndex);
    }

    @Override
    public void readBytes(OutputStream dst, int length) throws IOException {
        buffer.readBytes(dst, length);
    }

    @Override
    public void setBytes(int index, byte[] src) {
        buffer.setBytes(index, src);
    }

    @Override
    public void setBytes(int index, ChannelBuffer src) {
        // careful
        setBytes(index, src, src.readableBytes());
    }

    @Override
    public void setBytes(int index, ChannelBuffer src, int length) {
        // careful
        if (length > src.readableBytes()) {
            throw new IndexOutOfBoundsException();
        }
        setBytes(index, src, src.readerIndex(), length);
        src.readerIndex(src.readerIndex() + length);
    }

    @Override
    public void setIndex(int readerIndex, int writerIndex) {
        buffer.setIndex(readerIndex, writerIndex);
    }

    @Override
    public void skipBytes(int length) {
        buffer.skipBytes(length);
    }

    @Override
    public ByteBuffer toByteBuffer() {
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