import { CourierInboxMenuOption } from './courier-inbox-option-menu';
import { CourierInboxFeedType } from '../types/feed-type';
import { CourierInboxThemeManager } from '../types/courier-inbox-theme-manager';
export declare class CourierInboxHeaderTitle extends HTMLElement {
    private _themeSubscription;
    private _option;
    private _feedType?;
    private _titleElement;
    private _iconElement;
    private _unreadBadge;
    private _container;
    private _style;
    constructor(themeManager: CourierInboxThemeManager, option: CourierInboxMenuOption);
    private getStyles;
    private refreshTheme;
    updateSelectedOption(option: CourierInboxMenuOption, feedType: CourierInboxFeedType, unreadCount: number): void;
    private updateFilter;
    disconnectedCallback(): void;
}