import { Context } from "@lit/context";
import { ReactiveControllerHost, ReactiveElement } from "lit";
import { SignalCb } from "@holochain/client";
import { GetStrategy } from "@holochain-open-dev/core-types";
import { Mutex } from 'async-mutex';
export declare abstract class ViewModel {
    readonly isMainView: boolean;
    constructor(isMainView: boolean);
    protected _previousPerspective?: unknown;
    protected _providedHosts: [ReactiveControllerHost, PropertyKey][];
    protected _provider?: unknown;
    protected _canNotify: boolean;
    abstract signalHandler?: SignalCb;
    abstract getContext(): Context<unknown, unknown>;
    abstract get perspective(): Object;
    comparable(): Object;
    initializePerspectiveFromLocal(): Promise<void>;
    initializePerspectiveFromNetwork(): Promise<void>;
    protected probeAllInner(_strategy: GetStrategy): void;
    protected _probeMutex: Mutex;
    probeAll(strategy: GetStrategy): void;
    protected hasChanged(): boolean;
    provideContext(providerHost: ReactiveElement): void;
    subscribe(providedHost: ReactiveControllerHost, propName: PropertyKey): void;
    unsubscribe(candidate: ReactiveControllerHost): void;
    protected notifySubscribers(): boolean;
}
//# sourceMappingURL=ViewModel.d.ts.map