import { AnyEventResponse, EventType, IRequestPayload } from '../events';
export interface VisitorIdProvider {
    getCurrentVisitorId: () => Promise<string>;
    setCurrentVisitorId: (visitorId: string) => void;
}
export interface AnalyticsRequestClient {
    sendEvent(eventType: string, payload: IRequestPayload): Promise<AnyEventResponse | void>;
    deleteHttpCookieVisitorId: () => Promise<void>;
}
export interface IAnalyticsClientOptions {
    baseUrl: string;
    token?: string;
    visitorIdProvider: VisitorIdProvider;
    preprocessRequest?: PreprocessAnalyticsRequest;
}
export type AnalyticsClientOrigin = 'analyticsFetch' | 'analyticsBeacon';
export type PreprocessAnalyticsRequest = (request: IAnalyticsRequestOptions, clientOrigin: AnalyticsClientOrigin) => IAnalyticsRequestOptions | Promise<IAnalyticsRequestOptions>;
export interface IAnalyticsRequestOptions extends RequestInit {
    url: string;
}
export declare class NoopAnalyticsClient implements AnalyticsRequestClient {
    sendEvent(_: EventType, __: IRequestPayload): Promise<void>;
    deleteHttpCookieVisitorId(): Promise<void>;
}