if (list == null) {
            final String value = getSystemProperty(Constants.DEFAULT_SORT_VALUE_PROPERTY);
            if (StringUtil.isBlank(value)) {
                list = Collections.emptyList();
            } else {
                final Set<String> keySet = new HashSet<>();

                        final String userCode = userInfoHelper.getUserCode();

                        if (StringUtil.isBlank(userCode)) {
                            throw new WebApiException(HttpServletResponse.SC_BAD_REQUEST, "No user session.");
                        }
                        if (StringUtil.isBlank(favoriteUrl)) {
                            throw new WebApiException(HttpServletResponse.SC_BAD_REQUEST, "URL is null.");

        }
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        String httpAddress = SystemUtil.getSearchEngineHttpAddress();
        if (StringUtil.isBlank(httpAddress) && (runner == null)) {
            switch (fessConfig.getFesenType()) {
            case Constants.FESEN_TYPE_CLOUD:
            case Constants.FESEN_TYPE_AWS:

            }
        }
        return isBind;
    }

    public OptionalEntity<FessUser> login(final String username, final String password) {
        if (StringUtil.isBlank(fessConfig.getLdapProviderUrl()) || !validate()) {
            return OptionalEntity.empty();
        }

        final Hashtable<String, String> env = createSearchEnv(username, password);

	case TSTRUCT:
		if t.IsFuncArgStruct() {
			base.Fatalf("NumComponents func arg struct")
		}
		var n int64
		for _, f := range t.Fields() {
			if countBlank == IgnoreBlankFields && f.Sym.IsBlank() {
				continue
			}
			n += f.Type.NumComponents(countBlank)
		}
		return n
	case TARRAY:
		return t.NumElem() * t.Elem().NumComponents(countBlank)
	}
	return 1
}

// registers.
func isNamedRegParam(p abi.ABIParamAssignment) bool {
	if p.Name == nil {
		return false
	}
	n := p.Name
	if n.Sym() == nil || n.Sym().IsBlank() {
		return false
	}
	if len(p.Registers) == 0 {
		return false
	}
	return true
}

// BuildFuncDebugNoOptimized populates a FuncDebug object "rval" with