import { Effects } from '../Effects';
import { Host, HostId, PackageId } from '../osBindings';
import { Watchable } from './Watchable';
export declare class GetHostInfo extends Watchable<Host | null> {
    readonly opts: {
        hostId: HostId;
        packageId?: PackageId;
    };
    protected readonly label = "GetHostInfo";
    constructor(effects: Effects, opts: {
        hostId: HostId;
        packageId?: PackageId;
    });
    protected fetch(callback?: () => void): Promise<Host | null>;
}