import { IncomingMessage } from 'http';
import { Duplex } from 'stream';
import { Context, GroupEmitter as YawrGroupEmitter } from 'yawr';
export type GroupEmitter = YawrGroupEmitter;
export interface IServer extends GroupEmitter {
    RegisterFunction(name: string, method: (context: Context, ...args: any[]) => any): void;
    onGroupRemoved(group: string, method: (() => void) | undefined): void;
    groupMemberCount(group: string): number;
    handleUpgrade(request: IncomingMessage, socket: Duplex, upgradeHead: Buffer): void;
}