import type { NuxtApp, AsyncDataOptions, AsyncData, NuxtError } from 'nuxt/app';
import type { DefaultAsyncDataErrorValue, DefaultAsyncDataValue } from '#app/defaults';
import type { PickFrom } from '#app/composables/asyncData';
type KeysOf<T> = Array<T extends T ? (keyof T extends string ? keyof T : never) : never>;
type ValueOrMethod<T extends number | string[] | undefined, ResT> = ((v: ResT) => T) | T;
type CachedAsyncDataOptions<ResT, DataT = ResT, PickKeys extends KeysOf<DataT> = KeysOf<DataT>, DefaultT = DefaultAsyncDataValue> = Omit<AsyncDataOptions<ResT, DataT, PickKeys, DefaultT>, 'getCachedData'> & {
    /**
     * The client-side max age in seconds.
     *
     * If undefined, 0 or negative, nothing will be cached.
     *
     * If a positive integer value is provided, the composable will return
     * cached data (either from payload or from previous client-side
     * fetches) for the given duration.
     */
    clientMaxAge?: number;
    /**
     * The server-side max age in seconds.
     *
     * Can be a number or a method that receives the result of your useAsyncData
     * handler and should return a number.
     */
    serverMaxAge?: ValueOrMethod<number, ResT>;
    /**
     * The server-side cache tags to use.
     *
     * Can be an array of strings or a method that receives the result of your useAsyncData
     * handler and should return an array of strings.
     */
    serverCacheTags?: ValueOrMethod<string[], ResT>;
};
/**
 * Wrapper around useAsyncData and useDataCache.
 *
 * By default, the data is indefinitely cached on the server side. When the `
 * serverMaxAge` option is provided, you can define a max age for server-side
 * caching.
 *
 * If you want to extend caching to the client-side, provide a `clientMaxAge`
 * value. This will cache the result in Nuxt's static data cache. The cache is
 * not permanent, e.g. a browser refresh "purges" all cached data.
 *
 * @param {string} key The key used for both useAsyncData and useDataCache.
 * @param {Function} handler The handler that should fetch the data.
 * @param {CachedAsyncDataOptions|undefined} providedOptions The options.
 */
export declare function useCachedAsyncData<ResT, NuxtErrorDataT = unknown, DataT = ResT, PickKeys extends KeysOf<DataT> = KeysOf<DataT>, DefaultT = null>(key: string, handler: (app?: NuxtApp) => Promise<ResT>, providedOptions?: CachedAsyncDataOptions<ResT, DataT, PickKeys, DefaultT>): AsyncData<PickFrom<DataT, PickKeys> | DefaultT, (NuxtErrorDataT extends Error | NuxtError ? NuxtErrorDataT : NuxtError<NuxtErrorDataT>) | DefaultAsyncDataErrorValue>;
export {};