/**
     * Constructs a DcerpcHandle with the specified CIFS context
     *
     * @param tc
     *            the CIFS context for this handle
     */
    public DcerpcHandle(final CIFSContext tc) {
        this.transportContext = tc;
        this.binding = null;
    }

    /**
     * Constructs a DcerpcHandle with the specified CIFS context and binding
     *
     * @param tc

 * 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() {
        // Default constructor
    }

    /* Bindings are in the form:
     * proto:\\server[key1=val1,key2=val2]

        // Inject the binding using reflection
        Field bindingField = DcerpcHandle.class.getDeclaredField("binding");
        bindingField.setAccessible(true);
        bindingField.set(handle, mockDcerpcBinding);

        // Inject the CIFSContext using reflection
        Field tcField = DcerpcHandle.class.getDeclaredField("transportContext");
        tcField.setAccessible(true);

        }
    }

    void resolveSids0(final String authorityServerName, final CIFSContext tc, final jcifs.SID[] sids) throws CIFSException {
        synchronized (this.sidCache) {
            try (DcerpcHandle handle = DcerpcHandle.getHandle("ncacn_np:" + authorityServerName + "[\\PIPE\\lsarpc]", tc)) {
                String server = authorityServerName;
                final int dot = server.indexOf('.');

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

/**
 * Comprehensive test suite for DcerpcHandle class
 * Tests binding parsing, handle creation, bind operations, and communication
 */
@ExtendWith(MockitoExtension.class)
@DisplayName("DcerpcHandle Test Suite")
class DcerpcHandleTest {

    @Mock
    private CIFSContext mockContext;

    @Mock

        }
    }

    @Test
    @DisplayName("resolveSids(DcerpcHandle,...) populates acct, domain and type for known types")
    void resolveSids_populatesFields_happyPath() throws Exception {
        SIDCacheImpl cache = new SIDCacheImpl(mock(CIFSContext.class));
        DcerpcHandle handle = mock(DcerpcHandle.class);
        LsaPolicyHandle policy = mock(LsaPolicyHandle.class);

        // Prepare input SIDs

    /**
     *
     */
    private SmbEnumerationUtil() {
    }

    private static DcerpcHandle getHandle(final CIFSContext ctx, final SmbResourceLocator loc, final Address address, final String ep)
            throws MalformedURLException, DcerpcException {
        return DcerpcHandle.getHandle(String.format("ncacn_np:%s[endpoint=%s,address=%s]", loc.getServer(), ep, address.getHostAddress()),
                ctx);

    static void resolveSids0(final String authorityServerName, final NtlmPasswordAuthentication auth, final SID[] sids) throws IOException {
        DcerpcHandle handle = null;
        LsaPolicyHandle policyHandle = null;

        synchronized (sid_cache) {
            try {
                handle = DcerpcHandle.getHandle("ncacn_np:" + authorityServerName + "[\\PIPE\\lsarpc]", auth);
                String server = authorityServerName;

import java.io.IOException;
import java.net.InetAddress;
import java.util.List;

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

import jcifs.CIFSContext;
import jcifs.dcerpc.DcerpcHandle;

/**
 * Client implementation for the SMB Witness RPC protocol (MS-SWN).
 * Provides communication with witness servers for monitoring SMB resource availability.
 */

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

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

public class WitnessRpcClient implements AutoCloseable {
    private final DcerpcHandle handle;
    private final InetAddress serverAddress;
    private final CIFSContext context;
    
    // Witness RPC interface