/**
 * Utility extractor.
 *
 * A utility is any top-level function-like symbol that the other extractors did
 * NOT claim — i.e. it does not render JSX (not a component) and is not named
 * `use*` (not a hook). Kind is inferred from the signature, never the path.
 */
import { type SourceFile } from 'ts-morph';
import type { Extractor, ExtractionContext, UtilAsset } from '../core/types';
export declare class UtilExtractor implements Extractor<UtilAsset> {
    name: string;
    produces: 'utility';
    extract(file: SourceFile, ctx: ExtractionContext): UtilAsset[];
    private build;
}