import { ViewClass } from './view.ts';
import type { OutputFormat } from './render-mermaid.ts';
import type { MermaidOutputGraph } from '@vltpkg/graph';
/**
 * A ViewClass that renders mermaid output as SVG or PNG
 * (saved to a temp file and opened).
 *
 * Uses `beautiful-mermaid` for SVG rendering and
 * `@resvg/resvg-wasm` for PNG conversion — no external
 * process spawning.
 */
export declare class MermaidImageView extends ViewClass<MermaidOutputGraph> {
    format: OutputFormat;
    constructor(...args: ConstructorParameters<typeof ViewClass<MermaidOutputGraph>>);
    done(result: MermaidOutputGraph, _opts: {
        time: number;
    }): Promise<void>;
}