/**
 * Google Authentication Service
 * Handles Google Sign-In for user authentication and account creation
 */
import { AuthAttributionContext } from '../utils/signupAttribution';
/**
 * Update Google OAuth client IDs for custom configurations
 */
export declare const updateGoogleClientIds: (config: {
    webClientId?: string;
    iosClientId?: string;
}) => void;
/**
 * Sign in with Google and create/authenticate user account
 */
export declare const signInWithGoogle: (attributionContext?: AuthAttributionContext) => Promise<{
    success: boolean;
    user: {
        id: any;
        email: any;
        username: any;
        odeanId: any;
    };
    token: any;
    isNewUser: any;
    message?: undefined;
    cancelled?: undefined;
} | {
    success: boolean;
    message: string;
    cancelled: boolean;
    user?: undefined;
    token?: undefined;
    isNewUser?: undefined;
} | {
    success: boolean;
    message: string;
    user?: undefined;
    token?: undefined;
    isNewUser?: undefined;
    cancelled?: undefined;
}>;
/**
 * Check if user is already signed in with Google
 */
export declare const isGoogleSignedIn: () => Promise<{
    isSignedIn: boolean;
    user: any;
} | {
    isSignedIn: boolean;
    user?: undefined;
}>;
/**
 * Sign out from Google
 */
export declare const signOutFromGoogle: () => Promise<boolean>;
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