export interface CacheResult<V> {
    value: V;
    cleanup: () => void;
}
/**
 * DOM cache that clones existing elements if available.
 */
export declare class DomCache<T, V extends Node = Node> {
    private readonly create;
    private readonly nodes;
    constructor(create: (key: T) => V);
    get(key: T): CacheResult<V>;
}