}

	// Handle different block types. RFC 3.1.1.2.2.
	switch blockType {
	case 0:
		r.setBufferSize(blockSize)
		if _, err := io.ReadFull(r.r, r.buffer); err != nil {
			return r.wrapNonEOFError(relativeOffset, err)
		}
		relativeOffset += blockSize
		r.blockOffset += int64(relativeOffset)
	case 1:
		r.setBufferSize(blockSize)
		if _, err := io.ReadFull(r.r, r.scratch[:1]); err != nil {

            ftpClient.setConnectTimeout(connectTimeout);
            ftpClient.setDataTimeout(Duration.ofMillis(dataTimeout));
            ftpClient.setControlEncoding(controlEncoding);
            ftpClient.setBufferSize(bufferSize);
            if (passiveNatWorkaround) {
                ftpClient.setPassiveNatWorkaroundStrategy(new NatServerResolverImpl(ftpClient));
            }
            ftpClient.setUseEPSVwithIPv4(useEPSVwithIPv4);