import type { ReactiveControllerHost } from 'lit';
export type AbstractControllerHost = HTMLElement & ReactiveControllerHost;
export declare class AbstractController<T> {
    host: AbstractControllerHost;
    el: HTMLElement;
    private _data;
    get data(): T[];
    set data(data: T[]);
    updateData(_data: T[]): void;
    constructor(host: AbstractControllerHost, component: HTMLElement);
    clear(): void;
    destroy(): void;
}
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