import { FetchContextType, ImperativeFetch, PathParams, RequestWithBody } from "../types";
export declare const windowExists: boolean;
export declare function notNull(target: any): boolean;
export declare function getRequestHeaders(req: Request): {
    [k: string]: string;
};
export declare function isDefined(target: any): boolean;
export declare function isFunction(target: any): boolean;
export declare function hasBaseUrl(target: string | String): boolean;
export declare function jsonCompare(a: any, b: any): boolean;
/**
 * A serialize function that returns a JSON string
 */
export declare function serialize(input: any, replacer?: any, space?: any): string;
export declare const isFormData: (target: any) => boolean;
export declare function queue(callback: any, time?: number): void;
/**
 *
 * @param str The target string
 * @param $params The params to parse in the url
 *
 * Params should be separated by `"/"`, (e.g. `"/api/[resource]/:id"`)
 *
 * URL search params will not be affected
 */
export declare function setURLParams<UrlType extends string>(str: UrlType, $params: PathParams<UrlType> extends Record<string, never> ? any : PathParams<UrlType>): string;
export declare function setQueryParams(url: string, params?: any): string;
export declare function setParamsAndQuery(url: string, p?: {
    params?: any;
    query?: any;
}): string;
export declare function actionResult<T>(data: T, config?: {
    status?: number;
    error?: any;
}): {
    status?: number;
    error?: any;
    data: T;
};
export declare const actionData: typeof actionResult;
export declare function $form<T = any>(form: FormData): T;
export declare function gql<T = any, VT = {
    [k: string]: any;
}>(...args: any): {
    value: T;
    variables: VT;
    baseUrl: string;
    graphqlPath: string;
    headers: {
        [key: string]: any;
    };
};
export declare const $formData: typeof $form;
export declare function $searchParams<T = any>(input: string): T;
/**
 * Creates a new request function. This is for usage with fetcher and fetcher.extend
 */
export declare function createRequestFn(method: string, baseUrl: string, $headers: any): RequestWithBody;
/**
 * An Client for making HTTP Requests
 */
declare const Client: {
    get: RequestWithBody;
    delete: RequestWithBody;
    head: RequestWithBody;
    options: RequestWithBody;
    post: RequestWithBody;
    put: RequestWithBody;
    patch: RequestWithBody;
    purge: RequestWithBody;
    link: RequestWithBody;
    unlink: RequestWithBody;
    extend: (ctx: FetchContextType) => ImperativeFetch;
};
export { Client };