interface FetchOptions extends RequestInit {
}
/**
 * Custom hook for fetching data from an API endpoint.
 *
 * @template T The expected type of the data to be fetched.
 * @param {string | null | undefined} url The URL to fetch data from. If null or undefined, the fetch is not executed.
 * @param {FetchOptions} [options] Optional fetch options (e.g., method, headers, body).
 * @returns {FetchState<T>} An object containing the fetched data, loading state, and error state.
 */
export interface FetchState<T> {
    data: T | null;
    loading: boolean;
    error: Error | null;
}
export declare const useFetch: <T>(url: string | null | undefined, options?: FetchOptions) => FetchState<T>;
export {};