import { GcpIapResult } from './types';
/**
 * Available sign-in resolvers for the Google auth provider.
 *
 * @public
 */
export declare namespace gcpIapSignInResolvers {
    /**
     * Looks up the user by matching their email to the `google.com/email` annotation.
     */
    const emailMatchingUserEntityAnnotation: import("@backstage/plugin-auth-node").SignInResolverFactory<GcpIapResult, unknown>;
}