import { Endpoint } from './endpoint';
import { PublicRequestState } from './reducer';
import { ClientResponse } from './client';
export declare type LazyRequestConfig<R, V, P = void> = Readonly<{
    variables?: V;
    params?: P;
    headers?: Record<string, string>;
    onComplete?: (data: R) => unknown;
    onFailure?: (res: ClientResponse<R>) => unknown;
}>;
export declare type LazyRequestHandlerConfig<R, V, P> = Readonly<LazyRequestConfig<R, V, P> & {
    force?: boolean;
}>;
export declare type RequestHandler<R, V, P> = (config?: LazyRequestHandlerConfig<R, V, P>) => Promise<R | null>;
export declare function useLazyRequest<R = Record<string, any>, V = Record<string, any>, P = void>(endpoint: Endpoint<R, V, P>, config?: LazyRequestConfig<R, V, P>): [RequestHandler<R, V, P>, PublicRequestState<R>];