import { Collab, CollabEventsRecord, InitToken } from "./collab";
import { CollabID } from "./collab_id";
import { EventEmitter, EventsRecord } from "./event_emitter";
import { IRuntime } from "./iruntime";
import { Parent } from "./parent";
import { MetaRequest } from "./updates";
/**
 * Skeletal implementation of [[IRuntime]] that uses
 * a root [[Collab]].
 */
export declare abstract class AbstractRuntime<Events extends EventsRecord> extends EventEmitter<Events> implements IRuntime {
    readonly isRuntime: true;
    /**
     * A unique ID for this
     * [replica](https://collabs.readthedocs.io/en/latest/advanced/updates.html#terminology)
     * (copy of a Collabs document).
     */
    readonly replicaID: string;
    protected rootCollab: Collab & Parent;
    /**
     * @param replicaID This replica's `replicaID`, usually
     * obtained from [[ReplicaIDs]]. Must not be `""`.
     */
    constructor(replicaID: string);
    protected setRootCollab<C extends Collab & Parent>(rootCallback: (init: InitToken) => C): C;
    idOf<C extends Collab<CollabEventsRecord>>(collab: C): CollabID<C>;
    fromID<C extends Collab<CollabEventsRecord>>(id: CollabID<C>): C | undefined;
    abstract childSend(child: Collab<CollabEventsRecord>, messageStack: (Uint8Array | string)[], metaRequests: MetaRequest[]): void;
}