import { GemElement } from '@mantou/gem';
import { Layout, Window } from '../lib/layout';
import { Panel } from '../lib/panel';
import { Theme } from '../lib/theme';
import { MenuItem } from './menu';
import { Side } from './window-handle';
import './menu';
export declare class GemPanelElement extends GemElement {
    #private;
    layout?: Layout;
    panels?: Panel[];
    theme?: Theme;
    cache: boolean;
    cacheVersion: string;
    constructor(args?: {
        layout?: Layout;
        panels?: Panel[];
        theme?: Theme;
        cache?: boolean;
        cacheVersion?: string;
    });
    mounted: () => () => void;
    render: () => import("@mantou/gem").TemplateResult;
    get showPanels(): Panel[];
    get activePanels(): Panel[];
    get hiddenPanels(): Panel[];
    getWindow(arg: string | Panel): Window | undefined;
    activePanel(arg: string | Panel): void;
    openPanel(arg: string | Panel): void;
    openPanelInWindow(arg: string | Panel, window: Window, side?: Side): void;
    closePanel(arg: string | Panel): void;
    addPanel(panel: Panel): void;
    deletePanel(arg: string | Panel): void;
    clearPanel(): void;
    updateAllPanel(): void;
    clearCache(): void;
    openContextMenu(activeElement: HTMLElement | null, x: number, y: number, menus: MenuItem[]): void;
}
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