/// <reference types="node" />
import { EventEmitter } from 'events';
export declare type GrpcGatewayEvent = 'contact-list' | 'new-friend' | 'scan' | 'login' | 'message' | 'logout' | 'not-login' | 'room-member' | 'room-create' | 'already-login' | 'room-join' | 'room-qrcode' | 'reconnect';
export declare class GrpcGateway extends EventEmitter {
    private token;
    private endpoint;
    private client;
    constructor(token: string, endpoint: string);
    request(apiName: string, data?: any): Promise<any>;
    private _request;
    emit(event: 'not-login', data: string): boolean;
    emit(event: 'contact-list', data: string): boolean;
    emit(event: 'new-friend', data: string): boolean;
    emit(event: 'room-member', data: string): boolean;
    emit(event: 'room-create', data: string): boolean;
    emit(event: 'room-join', data: string): boolean;
    emit(event: 'room-qrcode', data: string): boolean;
    emit(event: 'scan', data: string): boolean;
    emit(event: 'login', data: string): boolean;
    emit(event: 'already-login', data: string): boolean;
    emit(event: 'message', data: string): boolean;
    emit(event: 'logout', data: string): boolean;
    emit(event: 'reconnect'): boolean;
    emit(event: never, data: string): never;
    on(event: 'not-login', listener: ((data: string) => any)): this;
    on(event: 'contact-list', listener: ((data: string) => any)): this;
    on(event: 'new-friend', listener: ((data: string) => any)): this;
    on(event: 'room-member', listener: ((data: string) => any)): this;
    on(event: 'room-create', listener: ((data: string) => any)): this;
    on(event: 'room-join', listener: ((data: string) => any)): this;
    on(event: 'room-qrcode', listener: ((data: string) => any)): this;
    on(event: 'scan', listener: ((data: string) => any)): this;
    on(event: 'login', listener: ((data: string) => any)): this;
    on(event: 'already-login', listener: ((data: string) => any)): this;
    on(event: 'message', listener: ((data: string) => any)): this;
    on(event: 'logout', listener: ((data: string) => any)): this;
    on(event: 'reconnect', listener: (() => any)): this;
    on(event: never, listener: ((data: string) => any)): never;
    notify(apiName: string, data: any): Promise<void>;
}
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