try (DcerpcHandle handle = getHandle(ctx, loc, address, "\\PIPE\\netdfs")) {
            final MsrpcDfsRootEnum rpc = new MsrpcDfsRootEnum(loc.getServer());
            handle.sendrecv(rpc);
            if (rpc.retval != 0) {
                throw new SmbException(rpc.retval, true);
            }
            return rpc.getEntries();
        }
    }

    /**
     * Creates a new WitnessHeartbeat RPC message.
     */
    public WitnessHeartbeatMessage() {
        super(WITNESS_HEARTBEAT);
        this.contextHandle = new byte[20];
        this.sequenceNumber = 0;
        this.responseSequenceNumber = 0;
        this.heartbeatInterval = 0;
    }

    /**
     * Creates a new WitnessHeartbeat RPC message with the specified parameters.
     *

 */

package jcifs.smb1.dcerpc;

/**
 * A Unicode string representation for DCE/RPC operations in JCIFS.
 * This class wraps strings for use in RPC calls with optional zero termination.
 */
public class UnicodeString extends rpc.unicode_string {

    boolean zterm;

    /**
     * Constructs a UnicodeString with zero termination option.
     *

 */

package jcifs.smb1.dcerpc;

import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;

import jcifs.smb1.smb1.WinError;
import jcifs.smb1.util.Hexdump;

/**
 * DCE/RPC exception class for SMB1 compatibility
 */
public class DcerpcException extends IOException implements DcerpcError, WinError {

    static String getMessageByDcerpcError(final int errcode) {
        int min = 0;

        // Create a properly formatted response message
        NdrBuffer buf = new NdrBuffer(new byte[1024], 0);

        // Manually encode a response header
        buf.enc_ndr_small(5); // RPC version
        buf.enc_ndr_small(0); // minor version
        buf.enc_ndr_small(2); // ptype = 2 (Response)
        buf.enc_ndr_small(0); // flags
        buf.enc_ndr_long(0x00000010); // data representation

/**
 * Abstract base class for DCERPC handles providing core RPC functionality.
 * This class manages DCE/RPC protocol bindings and communications over SMB transport.
 */
public abstract class DcerpcHandle implements DcerpcConstants {

    /**
     * Default constructor for DcerpcHandle.
     * Initializes the DCE/RPC handle for protocol operations.
     */
    protected DcerpcHandle() {

		i++
	}
}

// updateMetacacheListing will update the metacache listing.
func (o *listPathOptions) updateMetacacheListing(m metacache, rpc *peerRESTClient) (metacache, error) {
	if rpc == nil {
		return localMetacacheMgr.updateCacheEntry(m)
	}
	return rpc.UpdateMetacacheListing(context.Background(), m)
}

func getMetacacheBlockInfo(fi FileInfo, block int) (*metacacheBlock, error) {
	var tmp metacacheBlock

 */

package jcifs.dcerpc;

import jcifs.dcerpc.ndr.NdrBuffer;
import jcifs.dcerpc.ndr.NdrException;

/**
 * DCE/RPC bind request message implementation.
 * This class handles the binding process for establishing DCE/RPC communication channels.
 *
 * @author mbechler
 */
public class DcerpcBind extends DcerpcMessage {

        // Shutdown scheduler
        scheduler.shutdown();
        
        // Close RPC client
        if (rpcClient != null) {
            rpcClient.close();
        }
    }
}
```

### 4.4 Witness RPC Client
```java
package jcifs.internal.witness;

import jcifs.dcerpc.*;
import jcifs.dcerpc.rpc.*;

public class WitnessRpcClient implements AutoCloseable {

	"cmd/internal/obj/wasm"
	"cmd/internal/obj/x86"
	"fmt"
	"strings"
)

// Pseudo-registers whose names are the constant name without the leading R.
const (
	RFP = -(iota + 1)
	RSB
	RSP
	RPC
)

// Arch wraps the link architecture object with more architecture-specific information.
type Arch struct {
	*obj.LinkArch
	// Map of instruction names to enumeration.
	Instructions map[string]obj.As