import type { FetchError, FetchOptions } from 'ofetch';
import type { NitroFetchRequest, TypedInternalResponse, AvailableRouterMethod as _AvailableRouterMethod } from 'nitropack';
import type { MaybeRefOrGetter, Ref } from 'vue';
import type { DefaultAsyncDataErrorValue, DefaultAsyncDataValue } from 'nuxt/app/defaults';
import type { AsyncData, AsyncDataOptions, KeysOf, MultiWatchSources, PickFrom } from './asyncData.js';
type AvailableRouterMethod<R extends NitroFetchRequest> = _AvailableRouterMethod<R> | Uppercase<_AvailableRouterMethod<R>>;
export type FetchResult<ReqT extends NitroFetchRequest, M extends AvailableRouterMethod<ReqT>> = TypedInternalResponse<ReqT, unknown, Lowercase<M>>;
type ComputedOptions<T extends Record<string, any>> = {
    [K in keyof T]: T[K] extends Function ? T[K] : ComputedOptions<T[K]> | Ref<T[K]> | T[K];
};
interface NitroFetchOptions<R extends NitroFetchRequest, M extends AvailableRouterMethod<R> = AvailableRouterMethod<R>> extends FetchOptions {
    method?: M;
}
type ComputedFetchOptions<R extends NitroFetchRequest, M extends AvailableRouterMethod<R>> = ComputedOptions<NitroFetchOptions<R, M>>;
export interface UseFetchOptions<ResT, DataT = ResT, PickKeys extends KeysOf<DataT> = KeysOf<DataT>, DefaultT = DefaultAsyncDataValue, R extends NitroFetchRequest = string & {}, M extends AvailableRouterMethod<R> = AvailableRouterMethod<R>> extends Omit<AsyncDataOptions<ResT, DataT, PickKeys, DefaultT>, 'watch'>, ComputedFetchOptions<R, M> {
    key?: MaybeRefOrGetter<string>;
    $fetch?: typeof globalThis.$fetch;
    watch?: MultiWatchSources | false;
}
/**
 * Fetch data from an API endpoint with an SSR-friendly composable.
 * See {@link https://nuxt.com/docs/api/composables/use-fetch}
 * @since 3.0.0
 * @param request The URL to fetch
 * @param opts extends $fetch options and useAsyncData options
 */
export declare function useFetch<ResT = void, ErrorT = FetchError, ReqT extends NitroFetchRequest = NitroFetchRequest, Method extends AvailableRouterMethod<ReqT> = ResT extends void ? 'get' extends AvailableRouterMethod<ReqT> ? 'get' : AvailableRouterMethod<ReqT> : AvailableRouterMethod<ReqT>, _ResT = ResT extends void ? FetchResult<ReqT, Method> : ResT, DataT = _ResT, PickKeys extends KeysOf<DataT> = KeysOf<DataT>, DefaultT = DefaultAsyncDataValue>(request: Ref<ReqT> | ReqT | (() => ReqT), opts?: UseFetchOptions<_ResT, DataT, PickKeys, DefaultT, ReqT, Method>): AsyncData<PickFrom<DataT, PickKeys> | DefaultT, ErrorT | DefaultAsyncDataErrorValue>;
export declare function useFetch<ResT = void, ErrorT = FetchError, ReqT extends NitroFetchRequest = NitroFetchRequest, Method extends AvailableRouterMethod<ReqT> = ResT extends void ? 'get' extends AvailableRouterMethod<ReqT> ? 'get' : AvailableRouterMethod<ReqT> : AvailableRouterMethod<ReqT>, _ResT = ResT extends void ? FetchResult<ReqT, Method> : ResT, DataT = _ResT, PickKeys extends KeysOf<DataT> = KeysOf<DataT>, DefaultT = DataT>(request: Ref<ReqT> | ReqT | (() => ReqT), opts?: UseFetchOptions<_ResT, DataT, PickKeys, DefaultT, ReqT, Method>): AsyncData<PickFrom<DataT, PickKeys> | DefaultT, ErrorT | DefaultAsyncDataErrorValue>;
/**
 * Fetch data from an API endpoint with an SSR-friendly composable.
 * See {@link https://nuxt.com/docs/api/composables/use-lazy-fetch}
 * @since 3.0.0
 * @param request The URL to fetch
 * @param opts extends $fetch options and useAsyncData options
 */
export declare function useLazyFetch<ResT = void, ErrorT = FetchError, ReqT extends NitroFetchRequest = NitroFetchRequest, Method extends AvailableRouterMethod<ReqT> = ResT extends void ? 'get' extends AvailableRouterMethod<ReqT> ? 'get' : AvailableRouterMethod<ReqT> : AvailableRouterMethod<ReqT>, _ResT = ResT extends void ? FetchResult<ReqT, Method> : ResT, DataT = _ResT, PickKeys extends KeysOf<DataT> = KeysOf<DataT>, DefaultT = DefaultAsyncDataValue>(request: Ref<ReqT> | ReqT | (() => ReqT), opts?: Omit<UseFetchOptions<_ResT, DataT, PickKeys, DefaultT, ReqT, Method>, 'lazy'>): AsyncData<PickFrom<DataT, PickKeys> | DefaultT, ErrorT | DefaultAsyncDataErrorValue>;
export declare function useLazyFetch<ResT = void, ErrorT = FetchError, ReqT extends NitroFetchRequest = NitroFetchRequest, Method extends AvailableRouterMethod<ReqT> = ResT extends void ? 'get' extends AvailableRouterMethod<ReqT> ? 'get' : AvailableRouterMethod<ReqT> : AvailableRouterMethod<ReqT>, _ResT = ResT extends void ? FetchResult<ReqT, Method> : ResT, DataT = _ResT, PickKeys extends KeysOf<DataT> = KeysOf<DataT>, DefaultT = DataT>(request: Ref<ReqT> | ReqT | (() => ReqT), opts?: Omit<UseFetchOptions<_ResT, DataT, PickKeys, DefaultT, ReqT, Method>, 'lazy'>): AsyncData<PickFrom<DataT, PickKeys> | DefaultT, ErrorT | DefaultAsyncDataErrorValue>;
export {};