import { Platform, Environment, TrackTags, ThirdPartyTracker } from '../track/types.js';
import { ThirdPartyUserSetter, Visitor } from '../visitor/types.js';
import '../track/gtag.js';

interface Storage {
    getItem: (key: string) => string | null;
    setItem: (key: string, value: string) => void;
}
interface Options {
    release: string;
    storage: Storage;
    endpoint: string;
    platform: Platform;
    environment: Environment;
    getTags: () => TrackTags | Promise<TrackTags>;
    getDeviceId: () => string | Promise<string>;
    getHeaders?: () => Record<string, string> | Promise<Record<string, string>>;
    thirdPartyTrackers?: ThirdPartyTracker[];
    thirdPartyUserSetters?: ThirdPartyUserSetter[];
}
interface Config {
    release: string;
    endpoint: string;
    storage: Storage;
    platform: Platform;
    environment: Environment;
    getTags: () => TrackTags | Promise<TrackTags>;
    getDeviceId: () => string | Promise<string>;
    getHeaders: () => Record<string, string> | Promise<Record<string, string>>;
    thirdPartyTrackers: ThirdPartyTracker[];
    thirdPartyUserSetters: ThirdPartyUserSetter[];
}
interface Cache {
    tags: TrackTags | null;
    visitor: Visitor | null;
}
declare const cache: Cache;
declare const config: Config;
declare function setupAnalytics(init: Options): void;

export { type Options, type Storage, cache, config, setupAnalytics };