import { BaseApplicationCustomizer } from '@microsoft/sp-application-base';
import './MegaMenu.module.scss';
export declare const UserCustomActionMegaMenuId: string;
export interface IMegaMenuApplicationCustomizerProperties {
    termSetName?: string;
    termSetId?: string;
    cacheMinutes?: number;
    debug?: boolean;
}
export default class MegaMenuApplicationCustomizer extends BaseApplicationCustomizer<IMegaMenuApplicationCustomizerProperties> {
    private _topPlaceholder;
    private _menuContainer;
    private _renderer;
    onInit(): Promise<void>;
    private _renderPlaceHolders();
    private _renderMegaMenu(termSetIdentifier, debug?);
    private _getOrCreateContainer(id, placeholder);
    private _onDispose;
    private _getTermSetIdentifier();
    private _getCacheMinutes();
    private _renderStatus(message);
    private _isGuid(value);
    private _isDebugEnabled(debugOverride?);
}