import { DataConnection } from "peerjs";
export declare type Message<Data = any> = {
    conn?: DataConnection;
    id: string;
    data: Data;
};
export declare type Reducer<Data = any, State = any> = (message: Message<Data>, state: State) => void;
export interface Channel<Data = any, State = any> {
    id: string;
    state: State;
    send: (data: Data) => void;
    receive: (message: Message<Data>) => void;
}
declare type ChannelType = "stream" | "sync";
export declare type Channels = {
    receive: (message: Message) => void;
    greet: (conn: DataConnection) => void;
    useChannel: <Data = any, State = any>(id: string, type: ChannelType, reducer: Reducer<Data, State>) => Channel<Data, State>;
};
export declare const useChannels: (connections: Map<string, DataConnection>) => Channels;
export {};