import { type ReactiveController, type ReactiveControllerHost } from 'lit';
import { host } from '../host.js';
type Initializer = (controller: Controller) => void;
export declare abstract class Controller implements ReactiveController {
    protected readonly host: ReactiveControllerHost;
    private static _initializers?;
    static addInitializer(initializer: Initializer): void;
    constructor(host: ReactiveControllerHost);
    get [host](): import("lit").ReactiveElement;
    hostConnected?(): void;
    hostDisconnected?(): void;
    hostUpdate?(): void;
    hostUpdated?(): void;
}
export {};
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