/**
 * Copyright 2020 The AMP HTML Authors. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS-IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { ExpressionStatement } from 'estree';
import { ExportDetails } from '../types';
import MagicString from 'magic-string';
export declare function PreserveDefault(code: string, source: MagicString, ancestor: ExpressionStatement, exportDetails: ExportDetails, exportInline: boolean): boolean;