import { GDmanagedLoginEmailTypes } from './constants.js';
import { PluginUserConfig } from './config.js';
export declare function decryptValidationToken(ctx: any, token: string, emailType: GDmanagedLoginEmailTypes, pluginConfig: PluginUserConfig, isForVerification?: boolean): Promise<{
    wasEmailAlreadyVerified: true;
    validationToken?: undefined;
    user?: undefined;
    userId?: undefined;
    newEmail?: undefined;
} | {
    wasEmailAlreadyVerified: false;
    validationToken: any;
    user: any;
    userId: string;
    newEmail: string;
}>;