*
   * <p>Results are undefined if {@code set1} and {@code set2} are sets based on different
   * equivalence relations, for example if {@code set1} is a {@link HashSet} and {@code set2} is a
   * {@link TreeSet} or the {@link Map#keySet} of an {@code IdentityHashMap}.
   */
  public static <E extends @Nullable Object> SetView<E> difference(Set<E> set1, Set<?> set2) {
    checkNotNull(set1, "set1");

   *
   * <p>Results are undefined if {@code set1} and {@code set2} are sets based on different
   * equivalence relations, for example if {@code set1} is a {@link HashSet} and {@code set2} is a
   * {@link TreeSet} or the {@link Map#keySet} of an {@code IdentityHashMap}.
   */
  public static <E extends @Nullable Object> SetView<E> difference(Set<E> set1, Set<?> set2) {
    checkNotNull(set1, "set1");
    checkNotNull(set2, "set2");

        source.put("title", "Test");
        source.put("content", "Body");
        source.put("cache", "cached");
        source.put("segment", "seg1");
        source.put("host", "example.com");

        final Set<String> excludeFields = Set.of("cache", "segment");
        final String html = new HtmlIndexExportFormatter().format(source, excludeFields);

        assertFalse(html.contains("fess:cache"));

    protected String escapedHighlightPost = null;

    /** Set of terminal characters for highlighting */
    protected Set<Integer> highlightTerminalCharSet = new HashSet<>();

    /** Action hook for custom processing */
    protected ActionHook actionHook = new ActionHook();

    /** Set of MIME types that should be displayed inline */
    protected final Set<String> inlineMimeTypeSet = new HashSet<>();

	credential := fmt.Sprintf("%s/%s", accessKeyID, scope)

	// Set URL query.
	query := req.URL.Query()
	query.Set("X-Amz-Algorithm", signV4Algorithm)
	query.Set("X-Amz-Date", date.Format(iso8601Format))
	query.Set("X-Amz-Expires", strconv.FormatInt(expires, 10))
	query.Set("X-Amz-SignedHeaders", "host")
	query.Set("X-Amz-Credential", credential)
	query.Set("X-Amz-Content-Sha256", unsignedPayload)

	MOVD 4(R1), XER                 // ebe100047fe103a6
	OR $0, R0, R0                   // 60000000

	PCALIGN $16
	PNOP                            // 0700000000000000

	SETB CR1,R3                     // 7c640100
	VCLZLSBB V1,R2                  // 10400e02
	VCTZLSBB V1,R2                  // 10410e02

	XSMAXJDP VS1,VS2,VS3            // f0611480

#
# Macosx options
#     darwin_arm64:
#
# Compiler options:
#     cuda_clang:             Use Clang when building CUDA code.
#     avx_linux:              Build with avx instruction set on linux.
#     avx_win:                Build with avx instruction set on windows
#
# Other build options:
#     short_logs:       Only log errors during build, skip warnings.
#     verbose_logs:     Show all compiler warnings during build.

    }

    private void assertHighlightedQueries(Set<String> highlightedQuerySet) {
        @SuppressWarnings("unchecked")
        Set<String> set = (Set<String>) getMockRequest().getAttribute(Constants.HIGHLIGHT_QUERIES);
        if (highlightedQuerySet != null) {
            assertEquals(highlightedQuerySet.stream().sorted().collect(Collectors.joining("\n")),
                    set.stream().sorted().collect(Collectors.joining("\n")));

     * @param bindDn the bind DN for LDAP connection
     * @param subRoleSet the set of sub-roles to process
     * @param groupFilter the group filter pattern
     * @param roleSet the set of roles to update
     */
    protected void processSubRoles(final LdapUser ldapUser, final String bindDn, final Set<String> subRoleSet, final String groupFilter,
            final Set<String> roleSet) {
        // (member:1.2.840.113556.1.4.1941:=%s)

		Rules: []Rule{
			{
				ID:     "rule-1",
				Status: "Enabled",
				Filter: Filter{
					set: true,
					Prefix: Prefix{
						string: "folder1/folder1/exp_dt=2022-",
						set:    true,
					},
				},
				Expiration: Expiration{
					Days: 1,
					set:  true,
				},
			},
		},
	}
	tests := []struct {
		opts ObjectOpts
		lc   Lifecycle
		want int