import { Controller } from '../Controller/index.js';
import { type HostProvider } from '../host.js';
export type UpdatedCallback<T> = (value: T, oldValue: T) => void;
export declare class UpdatedController<T extends HostProvider, P extends keyof T> extends Controller {
    readonly context: T;
    readonly propertyKey: P;
    readonly callback: UpdatedCallback<T[P]>;
    private readonly changedPropertyKey;
    constructor(context: T, propertyKey: P, callback: UpdatedCallback<T[P]>);
    private get value();
    hostUpdated(): void;
}
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