import { User } from './packages/User.js';
import { Track } from './packages/Track.js';
import { Album } from './packages/Album.js';
import { Artist } from './packages/Artist.js';
import { Auth } from './packages/Auth.js';
import { Utilities } from './packages/Utilities.js';
import type { GetOriginalResponse, LastfmApiMethod, LastfmResponses } from './types/responses';
export declare class LastClient {
    apiKey: string;
    apiSecret?: string | undefined;
    private apiUrl;
    user: User;
    track: Track;
    album: Album;
    artist: Artist;
    auth: Auth;
    utilities: Utilities;
    private readonly headers;
    constructor(apiKey: string, apiSecret?: string | undefined, appName?: string);
    onRequestStarted(method: LastfmApiMethod | string, params: Record<string, string>, internalData: Record<string, never>): void;
    onRequestFinished(method: LastfmApiMethod | string, params: Record<string, string>, internalData: Record<string, never>, response: Record<string, never>): void;
    /**
     * @todo implement signed requests
     */
    request<M extends string = LastfmApiMethod>(method: M, params?: Record<string, string | number | undefined>, signed?: boolean, write?: boolean): Promise<M extends keyof LastfmResponses ? GetOriginalResponse<LastfmResponses[M]> : unknown>;
}