export declare const CSS: {
    arcgisAppCkeditor: string;
    arcgisAppCkeditorMentionHeader: string;
    arcgisAppCkeditorMentionItem: string;
    arcgisAppCkeditorMentionItemContainer: string;
    arcgisAppCkeditorPopoverContainer: string;
    arcgisAppCkeditorPopoverFooter: string;
    popover: string;
};
