import { ServiceId } from '../../Address.js';
import { RequestOptions } from '../Chat.js';
declare module '../Chat' {
    interface UnauthenticatedChatConnection extends UnauthProfilesService {
    }
}
export interface UnauthProfilesService {
    /**
     * Does an account with the given ACI or PNI exist?
     *
     * Throws / completes with failure only if the request can't be completed.
     */
    accountExists: (request: {
        account: ServiceId;
    }, options?: RequestOptions) => Promise<boolean>;
}