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

/**
 * Abstract base class for DCE/RPC communication handles.
 * This class provides the foundation for DCE/RPC client communication.
 */
public abstract class DcerpcHandle implements DcerpcConstants, AutoCloseable {

    /*
     * Bindings are in the form:

        }

        @Test
        @DisplayName("All RPC packet flags should have unique values")
        void testRpcPacketFlagsUniqueness() {
            // Verify that RPC packet flags are unique and follow bit pattern
            assertEquals(1, Integer.bitCount(DcerpcConstants.RPC_C_PF_BROADCAST), "RPC_C_PF_BROADCAST should be a single bit");

     */
    private static class TestWitnessClient extends WitnessClient {

        public TestWitnessClient(InetAddress witnessServer, CIFSContext context, WitnessRpcClient rpcClient) {
            super(witnessServer, context, rpcClient);
        }

        // TestWitnessClient can use the parent implementation now since we inject the mock RPC client
    }

 */

package jcifs.dcerpc;

import jcifs.CIFSException;
import jcifs.smb.WinError;
import jcifs.util.Hexdump;

/**
 * Exception class for DCE/RPC related errors.
 * This exception is thrown when DCE/RPC protocol errors occur.
 */
public class DcerpcException extends CIFSException implements DcerpcError, WinError {

    /**
     *
     */

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */

package jcifs.smb1.dcerpc.msrpc;

import jcifs.smb1.dcerpc.rpc;

/**
 * MS-RPC SAMR close handle operation.
 *
 * This class implements the SAMR CloseHandle operation for releasing
 * Security Account Manager (SAM) handles.
 */
public class MsrpcSamrCloseHandle extends samr.SamrCloseHandle {

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.dcerpc.msrpc;

import jcifs.dcerpc.rpc;

/**
 * MSRPC implementation for opening a domain handle.
 * This class provides functionality to open a handle to a SAM domain
 * using the SAMR RPC interface.
 */
public class MsrpcSamrOpenDomain extends samr.SamrOpenDomain {

    /**
     * Creates a new request to open a domain handle.

 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.dcerpc;

/**
 * DCE/RPC error codes and fault constants
 */
public interface DcerpcError {

    /**
     * Generic fault code for other errors
     */
    int DCERPC_FAULT_OTHER = 0x00000001;
    /**
     * Access denied fault code

 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.smb1.dcerpc;

/**
 * DCE/RPC error codes and fault constants for SMB1 compatibility
 */
public interface DcerpcError {

    /**
     * Generic fault code for other errors
     */
    int DCERPC_FAULT_OTHER = 0x00000001;
    /**

		Method: http.MethodPost,
		URL:    u,
	}
	if !guessIsRPCReq(r) {
		t.Fatal("Test shouldn't fail for a possible net/rpc request.")
	}
	r = &http.Request{
		Proto:  "HTTP/1.1",
		Method: http.MethodGet,
		URL:    u,
	}
	if !guessIsRPCReq(r) {
		t.Fatal("Test shouldn't fail for a possible net/rpc request.")
	}
	r = &http.Request{
		Proto:  "HTTP/1.1",
		Method: http.MethodGet,
		URL:    &url.URL{Path: grid.RoutePath},

        // 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 {