import { EventEmitter } from 'events';
export interface ApiParams {
    [name: string]: number | string | Buffer;
}
export interface PackShortRes {
    commandUrl: string;
    payload: Buffer;
}
export declare type GrpcGatewayEvent = 'error';
export declare class GrpcGateway extends EventEmitter {
    private token;
    private errorCounter;
    private errorStartTimestamp;
    private endpoint;
    private client;
    constructor(token: string, endpoint: string);
    emit(event: 'error', err: Error): boolean;
    emit(event: never, listener: never): never;
    on(event: 'error', listener: ((this: GrpcGateway, err: Error) => void)): this;
    on(event: never, listener: never): never;
    packLong(apiName: string, params?: ApiParams): Promise<Buffer>;
    private _packLong;
    packShort(apiName: string, params?: ApiParams): Promise<PackShortRes>;
    private _packShort;
    parse(apiName: string, payload: Buffer): Promise<any>;
    private _parse;
    isAlive(): boolean;
    private cleanUpErrorCounter;
    private processError;
}
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