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/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/
import { ChildPart } from '../lit-html.js';
import { Directive, DirectiveParameters, PartInfo } from '../directive.js';
declare class CacheDirective extends Directive {
private _templateCache;
private _value?;
constructor(partInfo: PartInfo);
render(v: unknown): unknown[];
update(containerPart: ChildPart, [v]: DirectiveParameters<this>): unknown[];
}
/**
* Enables fast switching between multiple templates by caching the DOM nodes
* and TemplateInstances produced by the templates.
*
* Example:
*
* ```js
* let checked = false;
*
* html`
* ${cache(checked ? html`input is checked` : html`input is not checked`)}
* `
* ```
*/
export declare const cache: (v: unknown) => import("../directive.js").DirectiveResult<typeof CacheDirective>;
/**
* The type of the class that powers this directive. Necessary for naming the
* directive's return type.
*/
export type { CacheDirective };
//# sourceMappingURL=cache.d.ts.map
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