import type { H3Event } from 'h3';
import type { NuxtAppCompat } from '@nuxt/bridge-schema';
import type { H3Event$Fetch } from 'nitropack';
export declare function useRequestHeaders<K extends string = string>(include: K[]): {
    [key in Lowercase<K>]?: string;
};
export declare function useRequestHeaders(): Readonly<Record<string, string>>;
export declare function useRequestEvent(nuxtApp?: NuxtAppCompat): H3Event | undefined;
export declare function useRequestFetch(): H3Event$Fetch | typeof global.$fetch;