import type { VideoProjectWorkspace } from './workspace.js';
/**
 * A single product whose hero/variant images anchor the product-subject
 * filmmaking branch. `referenceAssets` are workspace-relative paths (the same
 * Asset:// mechanism used by character reference sheets).
 */
export interface ProductReference {
    name: string;
    referenceAssets: string[];
}
export interface ProductReferencesArtifact {
    schemaVersion: 1;
    products: ProductReference[];
}
/**
 * Read `artifacts/product-references.json` for a project. Returns an empty
 * product list when the file is absent — product-subject categories degrade
 * gracefully to description-only packets rather than failing.
 */
export declare function readProductReferences(workspace: VideoProjectWorkspace): Promise<ProductReferencesArtifact>;
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