assertEquals(16, md5Hash.length);
    }

    @Test
    @DisplayName("Should handle null input gracefully")
    void testNullInputHandling() {
        // When/Then
        assertThrows(NullPointerException.class, () -> {
            MessageDigest md4 = Crypto.getMD4();
            md4.digest(null);
        });

        assertThrows(NullPointerException.class, () -> {

        // when it is present, and for others we must omit it!
        // https://tools.ietf.org/html/rfc4055#section-2.1
        ObjectIdentifiers.SHA256_WITH_RSA_ENCRYPTION -> Adapters.NULL
        ObjectIdentifiers.RSA_ENCRYPTION -> Adapters.NULL
        ObjectIdentifiers.EC_PUBLIC_KEY -> Adapters.OBJECT_IDENTIFIER
        else -> null
      }
    }

  /**
   * ```

      if (sdkVersion != null && sdkVersion >= 29) {
        assertThat(sslSocket.enabledProtocols)
          .containsExactly(
            TlsVersion.TLS_1_1.javaName,
            TlsVersion.TLS_1_2.javaName,
            TlsVersion.TLS_1_3.javaName,
          )
      } else if (sdkVersion != null && sdkVersion >= 26) {
        assertThat(sslSocket.enabledProtocols)

    public boolean isConnected() {
        return connected && rpcHandle != null;
    }

    @Override
    public void close() {
        if (connected && rpcHandle != null) {
            try {
                log.debug("Closing witness RPC client");
                rpcHandle.close();
                connected = false;
                rpcHandle = null;
            } catch (Exception e) {

            assertNotNull(writeRequest);
        }

        @Test
        @DisplayName("Should accept null file ID in constructor")
        void testConstructorWithNullFileId() {
            assertDoesNotThrow(() -> new Smb2WriteRequest(mockConfig, null));
        }

        @Test
        @DisplayName("Should accept empty file ID in constructor")
        void testConstructorWithEmptyFileId() {

				}
				return buf.length;
			},
			write(fd, buf, offset, length, position, callback) {
				if (offset !== 0 || length !== buf.length || position !== null) {
					callback(enosys());
					return;
				}
				const n = this.writeSync(fd, buf);
				callback(null, n);
			},
			chmod(path, mode, callback) { callback(enosys()); },
			chown(path, uid, gid, callback) { callback(enosys()); },

    }

    public void test_convert_nullUrl() {
        assertNull(duplicateHostHelper.convert(null));
    }

    public void test_convert_withNullList() {
        DuplicateHostHelper helper = new DuplicateHostHelper();
        helper.duplicateHostList = null;

        String url = "http://test.com";
        String result = helper.convert(url);

        assertNotNull(result);

    if (args == null) {
      args = NO_ARGS;
    }
    if (args.length == 0 && method.getName().equals("hashCode")) {
      return hashCode();
    }
    if (args.length == 1
        && method.getName().equals("equals")
        && method.getParameterTypes()[0] == Object.class) {
      Object arg = args[0];
      if (arg == null) {
        return false;
      }
      if (proxy == arg) {

  internal val taskRunner: TaskRunner,
  internal val name: String,
) {
  internal var shutdown = false

  /** This queue's currently-executing task, or null if none is currently executing. */
  internal var activeTask: Task? = null

  /** Scheduled tasks ordered by [Task.nextExecuteNanoTime]. */
  internal val futureTasks = mutableListOf<Task>()

            throwValidationErrorApi(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id));
            return null;
        })).status(Status.OK).result());
    }

    // POST /api/admin/accesstoken/setting
    /**
     * Creates a new access token setting.
     *