import type { Writable, Updater } from 'svelte/store';
import type { PluginHandle } from '../../../attach';
import type { InitSubscribe, Publisher } from '..';
import type { SubscribePluginHandle } from './factory';
/**
 * When we attach a subscriber, this is the structure into which we put its data
 */
export declare type PeerModel = {
    subscribe: () => Promise<SubscribePluginHandle>;
    stream?: MediaStream;
    meta: Writable<{
        display: string;
        [key: string]: unknown;
    }>;
    codec?: {
        audio?: string;
        video?: string;
    };
    ended?: true;
};
/**
 * Peers get indexed by their ID
 */
export declare type Peers = Record<number, PeerModel>;
/**
 * Helper function for updating a store of Peers, inserting the given publishers into the store
 */
export declare function putPeers(initSub: InitSubscribe, publishers: Publisher[]): Updater<Peers>;
/**
 * Helper function for updating a store of Peers, marking a particular peer as 'ended' (which happens when that
 * publisher hangs up).
 *
 * In previous versions, we just deleted the publisher from the index, but this led to strange behaviour in svelte,
 * so instead we make the peer as ended, which can be used as a filter in the UI.
 */
export declare function markAsEnded(unpublished: number): Updater<Peers>;
/**
 * For a given peer, actually perform the subscription to that peer.
 */
export declare function mountSubscription(peer: PeerModel): Promise<PluginHandle<{
    room: number;
}>>;
export * as Factory from './factory';
export { default as makeSubscribe } from './factory';
export { default as Peer } from './peer.svelte';