/**
* @license
* Copyright (c) 2020 The Polymer Project Authors. All rights reserved.
* This code may only be used under the BSD style license found at
* http://polymer.github.io/LICENSE.txt
* The complete set of authors may be found at
* http://polymer.github.io/AUTHORS.txt
* The complete set of contributors may be found at
* http://polymer.github.io/CONTRIBUTORS.txt
* Code distributed by Google as part of the polymer project is also
* subject to an additional IP rights grant found at
* http://polymer.github.io/PATENTS.txt
*/
import { AttributePart, BooleanAttributePart, PropertyPart } from '../lit-html.js';
/**
* Checks binding values against live DOM values, instead of previously bound
* values, when determining whether to update the value.
*
* This is useful for cases where the DOM value may change from outside of
* lit-html, such as with a binding to an `` element's `value` property,
* a content editable elements text, or to a custom element that changes it's
* own properties or attributes.
*
* In these cases if the DOM value changes, but the value set through lit-html
* bindings hasn't, lit-html won't know to update the DOM value and will leave
* it alone. If this is not what you want—if you want to overwrite the DOM
* value with the bound value no matter what—use the `live()` directive:
*
* html``
*
* `live()` performs a strict equality check agains the live DOM value, and if
* the new value is equal to the live value, does nothing. This means that
* `live()` should not be used when the binding will cause a type conversion. If
* you use `live()` with an attribute binding, make sure that only strings are
* passed in, or the binding will update every render.
*/
export declare const live: (value: unknown) => (part: AttributePart | BooleanAttributePart | PropertyPart) => void;
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