/// import { EventEmitter } from "events"; export declare function browser_symmetric_channel(_: any, primus: any, logger: any, name: string): Promise; declare class SymmetricChannel extends EventEmitter { channel: any; constructor(channel?: any); write(data: any): boolean; _data_from_spark(data: any): void; } export declare function symmetric_channel(name: string): SymmetricChannel; export {};