/**
 * Default Shell Implementation
 */
import type { IShell, IThemeManager, IFeatureManager, IRouter } from '../../api/index.js';
import type { ShellConfig, ShellContext, ShellEventListener, ShellEventType } from '../../api/index.js';
export declare class DefaultShell implements IShell {
    private themeManager;
    private featureManager;
    private router;
    private eventListeners;
    private viewportState;
    private config;
    private isReady;
    constructor(config?: ShellConfig);
    initialize(): Promise<void>;
    getContext(): ShellContext;
    getThemeManager(): IThemeManager;
    getFeatureManager(): IFeatureManager;
    getRouter(): IRouter | null;
    setRouter(router: IRouter): void;
    emit(type: ShellEventType, payload?: any): void;
    on(type: ShellEventType | '*', listener: ShellEventListener): () => void;
    off(type: ShellEventType | '*', listener: ShellEventListener): void;
    ready(): boolean;
    getConfig(): Readonly<ShellConfig>;
    destroy(): void;
    private setupViewportListener;
    private handleResize;
}
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