import { type CoreRoot, type Preset } from './core/engine.js';
import { type Payload } from './visualizerModel.js';
export interface VisualizerPayloadResult {
    payload: Payload;
    watchPaths: string[];
}
/** Build the validated configured-project payload used by both standalone and embedded views.
 * The standalone dev server may provide the preset it just cache-busted and resolved so a live
 * preset edit is consumed by that same request instead of performing a second dynamic import. */
export declare function loadVisualizerPayload(input: {
    projectRoot: string;
    preset?: Preset<CoreRoot>;
}): Promise<VisualizerPayloadResult>;