import type { DocumentEngine } from '../document/contracts.js';
import type { DataCatalog } from './contracts.js';
export interface DataPreviewSelection {
    subscribe(listener: () => void): () => void;
    getSnapshot(): string | undefined;
    select(fixtureId: string): void;
}
/** Only the example ID is a preference. DTO values never enter storage or undo history. */
export declare function dataPreviewSelection(engine: DocumentEngine, catalog: DataCatalog, screenId: string): DataPreviewSelection;