/// <reference types="node" />
import { ListenerFn } from 'eventemitter2';
import { Logger } from '../logger';
import { EndpointInfo } from '../types';
import { BaseChannel, InvokeRequest } from './channels/base_channel';
import { EventsDefinition } from './event';
import { IPCServer } from './ipc/ipc_server';
import * as JSONRPC from './jsonrpc';
interface BusConfiguration {
    readonly internalIPCServer: IPCServer;
    readonly chainID: Buffer;
}
interface RegisterChannelOptions {
    readonly type: string;
    readonly channel: BaseChannel;
    readonly socketPath?: string;
}
export declare class Bus {
    private readonly _endpointInfos;
    private readonly _events;
    private readonly _channels;
    private readonly _rpcClients;
    private readonly _internalIPCServer;
    private readonly _rpcRequestIds;
    private readonly _emitter;
    private readonly _handleRPCResponse;
    private readonly _handleRPC;
    private readonly _handleEvents;
    private _logger;
    constructor(config: BusConfiguration);
    start(logger: Logger): Promise<void>;
    registerChannel(namespace: string, events: EventsDefinition, endpointInfo: {
        [key: string]: EndpointInfo;
    }, options: RegisterChannelOptions): Promise<void>;
    invoke<T>(rawRequest: string | JSONRPC.RequestObject, context?: InvokeRequest['context']): Promise<JSONRPC.ResponseObjectWithResult<T>>;
    publish(rawRequest: string | JSONRPC.NotificationRequest): void;
    subscribe(eventName: string, cb: ListenerFn): void;
    unsubscribe(eventName: string, cb: ListenerFn): void;
    once(eventName: string, cb: ListenerFn): this;
    getEndpoints(): ReadonlyArray<string>;
    getEvents(): ReadonlyArray<string>;
    cleanup(): Promise<void>;
    private _setupIPCInternalServer;
}
export {};