import { ApiError } from './widget-api-client.js';
export interface AsyncState<T> {
    data: T | null;
    loading: boolean;
    error: ApiError | null;
}
export interface UseRegnaDataOptions {
    /** When true, the fetcher is never invoked. Used by preview-mode
     *  widgets to short-circuit the network call (CLAUDE.md A04). The
     *  hook returns a stable {data:null, loading:false, error:null}
     *  state so widget consumers can branch their render on the
     *  separate render-mode signal without a useless loading spinner. */
    skip?: boolean;
}
export declare function useRegnaData<T>(fetcher: () => Promise<T>, deps: unknown[], options?: UseRegnaDataOptions): AsyncState<T>;
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