import { AuthProvider, ExternalAuthPayload, UserModel } from '..';
import passport from 'passport';
import { Express } from 'express';
declare type ProviderCallback = (err?: any, user?: any, info?: any) => void;
export declare const ExternalAuth: {
    setupPassport(app: Express): void;
    _registerStrategies(): void;
    getProviderStrategy(provider: AuthProvider): {
        registerStrategy(): void;
        authOptions: {
            scope: string[];
        };
    } | {
        registerStrategy(): void;
        authOptions: {
            scope: string;
        };
    };
    authCallback(provider: AuthProvider, accessToken: string, refreshToken: string, profile: passport.Profile, cb: ProviderCallback): Promise<void>;
    createAccountFromProvider(provider: AuthProvider, profile: passport.Profile, email: string, emailVerified: boolean | undefined, cb: ProviderCallback): Promise<void>;
    updateAccountFromProvider(provider: AuthProvider, profile: passport.Profile, user: UserModel, emailVerified: boolean | undefined, cb: ProviderCallback): Promise<void>;
    sign: (payload: ExternalAuthPayload) => Promise<string>;
    verify: (token: string) => Promise<ExternalAuthPayload>;
};
export {};