import type { AuthSession } from "../types.js";
type Method = "email" | "google" | "github";
type Receipt = {
    userId: string;
    method: Method;
    eventId: string;
};
/** A consented redirect marker: no credentials, email, or auth session identifier. */
export declare function beginSocialLoginAnalytics(method: "google" | "github"): void;
export declare function noteSuccessfulLogin(userId: string, method: Method): void;
export declare function observeSocialLoginResult(session: AuthSession | null): void;
export declare function takeSuccessfulLogin(userId: string): Receipt | null;
export declare function clearLoginAnalytics(): void;
export {};