@Override
    public boolean isEmpty() {
      assertTrue(Thread.holdsLock(mutex));
      return super.isEmpty();
    }

    @Override
    public @Nullable V remove(Object object) {
      assertTrue(Thread.holdsLock(mutex));
      return super.remove(object);
    }

    @Override
    public void clear() {
      assertTrue(Thread.holdsLock(mutex));
      super.clear();
    }

    @Override

        ArgumentCaptor<MsrpcSamrCloseHandle> closeCaptor = ArgumentCaptor.forClass(MsrpcSamrCloseHandle.class);
        doAnswer(invocation -> {
            MsrpcSamrCloseHandle rpc = invocation.getArgument(0);
            rpc.retval = 0; // Simulate success
            return null;
        }).when(mockHandle).sendrecv(closeCaptor.capture());

        SamrPolicyHandle handle = new SamrPolicyHandle(mockHandle, server, access);
        handle.close();

    /**
     * @throws Exception
     */
    @Test
    public void testRemoveFirst() throws Exception {
        final String[] array = new String[] { "111", "222", "333" };
        final String[] newArray = ArrayUtil.remove(array, "111");
        assertThat(newArray.length, is(2));
        assertThat(newArray[0], is("222"));
        assertThat(newArray[1], is("333"));
    }

    /**
     * @throws Exception
     */

    assertFalse(collection.spliterator().hasCharacteristics(Spliterator.IMMUTABLE));
  }

  @CollectionFeature.Require(SUPPORTS_REMOVE)
  public void testSpliteratorNotImmutable_collectionAllowsRemove() {
    // If remove is supported, verify that IMMUTABLE is not reported.
    assertFalse(collection.spliterator().hasCharacteristics(Spliterator.IMMUTABLE));
  }

  @J2ktIncompatible
  @GwtIncompatible // reflection

			echo "failed to download https://github.com/minio/mc"
			purge "${MC_BUILD_DIR}"
			exit 1
		fi

		(cd "${MC_BUILD_DIR}" && go build -o "$C_PWD/mc")

		# remove mc source.
		purge "${MC_BUILD_DIR}"
	fi

	"${MINIO[@]}" --address ":$start_port" "${WORK_DIR}/disk{1...10}" >"${WORK_DIR}/server1.log" 2>&1 &
	pid=$!
	disown $pid
	sleep 5

		adminRouter.Methods(http.MethodGet).Path(adminVersion + "/idp/builtin/policy-entities").HandlerFunc(adminMiddleware(adminAPI.ListPolicyMappingEntities))

		// Remove policy IAM
		adminRouter.Methods(http.MethodDelete).Path(adminVersion+"/remove-canned-policy").HandlerFunc(adminMiddleware(adminAPI.RemoveCannedPolicy)).Queries("name", "{name:.*}")

		// Set user or group policy

   */
  N adjacentNode(E edge);

  /**
   * Remove {@code edge} from the set of incoming edges. Returns the former predecessor node.
   *
   * <p>In the undirected case, returns {@code null} if {@code isSelfLoop} is true.
   */
  @CanIgnoreReturnValue
  @Nullable N removeInEdge(E edge, boolean isSelfLoop);

  /** Remove {@code edge} from the set of outgoing edges. Returns the former successor node. */

     */
    public void close() throws IOException {
        final MsrpcSamrCloseHandle rpc = new MsrpcSamrCloseHandle(this);
        handle.sendrecv(rpc);
        if (rpc.retval != 0) {
            throw new SmbException(rpc.retval, false);
        }
    }

     *
     * @param disposable
     *            A disposable resource. Must not be {@literal null}.
     */
    public static synchronized void remove(final Disposable disposable) {
        assertArgumentNotNull("disposable", disposable);
        disposables.remove(disposable);
    }

    /**
     * Disposes of all registered resources.
     */
    public static synchronized void dispose() {

    //        try {
    //            rpc = new MsrpcDfsRootEnum(domainName);
    //            handle.sendrecv(rpc);
    //            if (rpc.retval != 0)
    //                throw new SmbException(rpc.retval, true);
    //            return rpc.getEntries();
    //        } finally {
    //            try {
    //                handle.close();
    //            } catch(IOException ioe) {