import '../app.css';
import type { TrajectoryController } from '../trajectory';
import { mount } from 'svelte';
import type { WebviewBootstrapData } from './host-protocol';
import type { ParseResult } from './parse';
import { type OpenedMaterial } from './open';
export type MatterVizApp = ReturnType<typeof mount>;
interface DisplayOptions {
    initial_step_idx?: number;
    on_step_change?: (step_idx: number, total_frames: number) => void;
    on_trajectory_controller?: (controller: TrajectoryController | null) => void;
}
declare global {
    var matterviz_data: WebviewBootstrapData | undefined;
    var initializeMatterViz: (() => Promise<MatterVizApp | null>) | undefined;
    var cleanupMatterViz: (() => Promise<void>) | undefined;
}
export declare const setup_vscode_download: () => void;
export declare const unmount_display: (app: MatterVizApp) => Promise<void>;
export declare const create_display: (container: HTMLElement, result: ParseResult | OpenedMaterial, display_options?: DisplayOptions) => MatterVizApp;
export {};