/**
 * @license
 * Copyright (c) 2023 Valentin Degenne
 * SPDX-License-Identifier: MIT
 *
 * Thanks to Steve Orvell for helping me find a solution (Proxy).
 */
import { LitElement, type ReactiveControllerHost } from 'lit';
import { type PropertyValues, ReactiveObject } from 'snar';
interface MultiHostReactiveController {
    hostConnected(host: ReactiveControllerHost): void;
    hostDisconnected(host: ReactiveControllerHost): void;
}
export declare class ReactiveController<Interface = any> extends ReactiveObject<Interface> implements MultiHostReactiveController {
    protected _hosts: ReactiveControllerHost[];
    constructor(host?: ReactiveControllerHost, defaultState?: Partial<Interface>);
    bind(host: ReactiveControllerHost, target?: PropertyKey): this;
    unbind(): void;
    protected __update(_changedProperties: PropertyValues): void;
    addHost(host: ReactiveControllerHost): void;
    removeHost(host: ReactiveControllerHost): void;
    hasHost(host: ReactiveControllerHost): boolean;
    hostConnected(host: ReactiveControllerHost): void;
    hostDisconnected(host: ReactiveControllerHost): void;
    remoteUpdateComplete(): Promise<boolean[]>;
    /**
     * Unattach controller from all disconnected hosts
     * and remove them from the list, so the garbage-collector
     * can potentially suppresses them if they are not
     * used anymore.
     */
    flushDisconnectedHosts(): void;
}
export declare class LitElementControllerHost<T = ReactiveController> extends LitElement {
    controller: T;
}
export {};
//# sourceMappingURL=reactive-controller.d.ts.map