import type { UserProfiler } from '@machinat/core/base/Profiler';
import BotP from './Bot';
import type MessengerUser from './User';
import MessengerUserProfile from './UserProfile';
declare type ProfilerOptions = {
    optionalProfileFields?: ('locale' | 'timezone' | 'gender')[];
};
/**
 * MessengerProfiler fetch user profile from Messenger platform.
 * @category Provider
 */
export declare class MessengerProfiler implements UserProfiler<MessengerUser> {
    bot: BotP;
    profileFields: string;
    constructor(bot: BotP, { optionalProfileFields }?: ProfilerOptions);
    getUserProfile(user: MessengerUser): Promise<null | MessengerUserProfile>;
}
declare const ProfilerP: import("@machinat/core/service").ServiceProvider<MessengerProfiler, [import("./Bot").MessengerBot, import("./types").MessengerConfigs]> & typeof MessengerProfiler;
declare type ProfilerP = MessengerProfiler;
export default ProfilerP;