export interface IGoogleService {
    verifyGoogleTokenViaAccessToken(accessToken: string): Promise<{
        [k: string]: any;
    }>;
    verifyGoogleTokenViaIdToken(idToken: string): Promise<{
        [k: string]: any;
    }>;
    validateReceipt(payload: string): Promise<{
        success: boolean;
        productId?: string;
    }>;
}