interface FetchResult {
    data: any;
    error: any;
    status?: number;
    ok?: boolean;
}
interface FetchConfig extends Omit<RequestInit, 'credentials'> {
    autoFetch?: boolean;
    callback?: (result: FetchResult) => void;
    /**
     * If `true`, the fetch will be invoked with `credentials: 'include'`.
     * String values from the standard `RequestCredentials` are also supported
     * (e.g. 'omit' | 'same-origin' | 'include').
     */
    credentials?: boolean | RequestCredentials;
    /**
     * Query parameters to append to GET requests.
     * Supports strings, numbers, booleans, arrays, and objects.
     * - Primitives (string, number, boolean) are converted to strings
     * - Arrays are repeated as multiple params with the same key
     * - Objects are JSON-stringified
     * - null and undefined values are skipped
     *
     * Example: { active: true, page: 1, tags: ['a', 'b'] }
     * Results in: ?active=true&page=1&tags=a&tags=b
     */
    params?: Record<string, any>;
}
interface Return {
    apiResult: API_RESULT | undefined;
    data: any;
    error: any;
    fetchNow: (url?: string, config?: FetchConfig) => void;
    loading: boolean;
}
declare enum API_RESULT {
    SUCCESS = "SUCCESS",
    ERROR = "ERROR"
}
declare const useFetch: (url: string, config?: FetchConfig, deps?: Array<string> | Array<any>) => Return;

export { API_RESULT, type FetchConfig, type FetchResult, type Return, useFetch };