/**
 * @license
 * Copyright 2021 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */
import ts from 'typescript';
import { PropertyVisitor } from './property.js';
/**
 * Transform:
 *
 *   @state()
 *   foo
 *
 * Into:
 *
 *   static get properties() {
 *     return {
 *       foo: {state: true}
 *     }
 *   }
 */
export declare class StateVisitor extends PropertyVisitor {
    readonly decoratorName = "state";
    protected _augmentOptions(options: ts.ObjectLiteralExpression): ts.ObjectLiteralExpression;
}