*    @param    offset    starting position of sub-array.
     */
    private void transform(final byte[] block, int offset) {

        // encodes 64 bytes from input block into an array of 16 32-bit
        // entities. Use A as a temp var.
        for (int i = 0; i < 16; i++) {
            X[i] = block[offset++] & 0xFF | (block[offset++] & 0xFF) << 8 | (block[offset++] & 0xFF) << 16 | (block[offset++] & 0xFF) << 24;

        assertTrue(thrown.getMessage().contains("Bad endpoint"), "Exception message should indicate a bad endpoint.");
    }

    @Test
    void testSetOptionEndpointInvalidFormat() {
        String endpoint = "135"; // Example non-pipe endpoint that is not recognized
        DcerpcException thrown = assertThrows(DcerpcException.class, () -> {
            dcerpcBinding.setOption("endpoint", endpoint);

    private static final int WITNESS_INTERFACE_VERSION = 1;

    // RPC connection parameters
    private static final int WITNESS_RPC_PORT = 135;
    private static final int WITNESS_RPC_TIMEOUT_MS = 5000;

    // RPC operation numbers
    private static final int WITNESS_REGISTER = 0;
    private static final int WITNESS_UNREGISTER = 1;

		file: "testdata/writer-big.tar",
		tests: []testFnc{
			testHeader{Header{
				Typeflag: TypeReg,
				Name:     "tmp/16gig.txt",
				Size:     16 << 30,
				Mode:     0640,
				Uid:      73025,
				Gid:      5000,
				Uname:    "dsymonds",
				Gname:    "eng",
				ModTime:  time.Unix(1254699560, 0),
				Format:   FormatGNU,
			}, nil},
		},

	RLWMI $7, R3, $1, R6            // 50663ffe
	RLWMI $7, R3, $2147483648, R6   // 50663800
	RLWMI $7, R3, $65535, R6        // 50663c3e
	RLWMI $7, R3, $16, $31, R6      // 50663c3e
	RLWMICC $7, R3, $65535, R6      // 50663c3f
	RLWMICC $7, R3, $16, $31, R6    // 50663c3f
	RLWNM $3, R4, $7, R6            // 54861f7e
	RLWNM $0, R4, $7, R6            // 5486077e
	RLWNM R0, R4, $7, R6            // 5c86077e

    
    // Witness service endpoint
    private static final String WITNESS_SERVICE_UUID = "ccd8c074-d0e5-4a40-92b4-d074faa6ba28";
    private static final int DEFAULT_WITNESS_PORT = 135;  // RPC endpoint mapper
    
    public interface WitnessNotificationListener {
        void onWitnessNotification(WitnessNotification notification);

        // Data (16-byte file ID)
        int dataOffset = offset + 16 + nameLen;
        dataOffset = (dataOffset + 7) & ~7;  // 8-byte alignment
        System.arraycopy(fileId, 0, buffer, dataOffset, 16);
    }
}
```

### 4.5 Persistent Handle Manager
```java
package jcifs.internal.smb2.persistent;

import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ScheduledExecutorService;

  // Integer.valueOf(int), and some that are not cached. (127 is the highest cached value.)
  static final int WARMUP_MIN = 120;
  static final int WARMUP_MAX = 135;
  static final int WARMUP_SIZE = WARMUP_MAX - WARMUP_MIN;

  public void testSize_populated() {
    for (LoadingCache<Object, Object> cache : caches()) {
      // don't let the entries get GCed

	AND	R1@>33, R2
	AND	$(1<<63), R1                        // AND	$-9223372036854775808, R1       // 21004192
	AND	$(1<<63-1), R1                      // AND	$9223372036854775807, R1        // 21f84092
	ORR	$(1<<63), R1                        // ORR	$-9223372036854775808, R1       // 210041b2
	ORR	$(1<<63-1), R1                      // ORR	$9223372036854775807, R1        // 21f840b2

		wantValid: false,
	}, {
		in: []sparseEntry{{0, 0}}, size: -100,
		wantValid: false,
	}, {
		in: []sparseEntry{{math.MaxInt64, 3}, {6, -5}}, size: 35,
		wantValid: false,
	}, {
		in: []sparseEntry{{1, 3}, {6, -5}}, size: 35,
		wantValid: false,
	}, {
		in: []sparseEntry{{math.MaxInt64, math.MaxInt64}}, size: math.MaxInt64,
		wantValid: false,
	}, {
		in: []sparseEntry{{3, 3}}, size: 5,
		wantValid: false,
	}, {