assertArgumentNotNull("file", file);

        final FileInputStream is = InputStreamUtil.create(file);
        try {
            final FileChannel channel = is.getChannel();
            final long fileSize = ChannelUtil.size(channel);

            if (fileSize > maxSize) {

 */
package jcifs.internal.smb2.rdma.tcp;

import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.SocketTimeoutException;
import java.nio.ByteBuffer;
import java.nio.channels.SocketChannel;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.internal.smb2.rdma.RdmaConnection;
import jcifs.internal.smb2.rdma.RdmaMemoryRegion;

     */
    int getMaxChannels();

    /**
     * Channel binding policy
     *
     * Property {@code jcifs.smb.client.channelBindingPolicy} (String, default "preferred")
     * Values: "disabled", "preferred", "required"
     *
     * @return channel binding policy
     */
    int getChannelBindingPolicy();

    /**
     * Load balancing strategy for multi-channel
     *

        assertArgumentNotNull("out", out);

        final FileOutputStream os = OutputStreamUtil.create(out);
        try {
            final FileChannel channel = os.getChannel();
            final ByteBuffer buffer = ByteBuffer.wrap(in);
            return ChannelUtil.write(channel, buffer);
        } finally {
            CloseableUtil.close(os);
        }
    }

    /**

import static org.junit.jupiter.api.Assertions.assertNull;

import org.junit.jupiter.api.Test;

class AvChannelBindingsTest {

    /**
     * Test that the constructor correctly initializes with a valid channel binding hash.
     */
    @Test
    void testConstructorWithValidHash() {
        byte[] testHash = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 };

     */
    public static byte SMB2_READFLAG_READ_UNBUFFERED = 0x1;
    /**
     * Channel type for standard read without RDMA
     */
    public static int SMB2_CHANNEL_NONE = 0x0;
    /**
     * Channel type for RDMA version 1
     */
    public static int SMB2_CHANNEL_RDMA_V1 = 0x1;
    /**
     * Channel type for RDMA version 1 with invalidate
     */
    public static int SMB2_CHANNEL_RDMA_V1_INVALIDATE = 0x2;

     */
    public static final long UNSPECIFIED_SESSIONID = 0xFFFFFFFFFFFFFFFFL;

    /**
     * SMB2 Channel constant for RDMA V1
     * Used in SMB2 READ and WRITE requests to indicate RDMA channel
     */
    public static final int SMB2_CHANNEL_RDMA_V1 = 0x00000001;

    /**
     * SMB2 Channel constant for RDMA V1 invalidate
     * Used to indicate RDMA with invalidation
     */

    /**
     * Channel binding in progress
     */
    BINDING(4),

    /**
     * Channel is actively transferring data
     */
    ACTIVE(5),

    /**
     * Channel connection has failed
     */
    FAILED(6),

    /**
     * Channel is being closed
     */
    CLOSING(7);

    private final int value;

    ChannelState(int value) {
        this.value = value;
    }

        this.rdmaChannelInfo = new RdmaChannelInfo(remoteKey, address, length);
        this.channel = Smb2Constants.SMB2_CHANNEL_RDMA_V1;
    }

    /**
     * Get RDMA channel information
     *
     * @return RDMA channel info, or null if not using RDMA
     */
    public RdmaChannelInfo getRdmaChannelInfo() {
        return rdmaChannelInfo;
    }

    /**

                        // Handle potential multi-channel failure
                        if (isUseMultiChannel() && trans != this.transport) {
                            ChannelInfo channel = channelManager.getChannelForTransport(trans);
                            if (channel != null) {
                                channelManager.handleChannelFailure(channel, e);
                                // Retry with primary transport