/**
 * Copyright (c) Microsoft Corporation.
 *
 * 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 type { URLSearchParams } from 'url';
import type { SnapshotStorage } from './snapshotStorage';
export declare class SnapshotServer {
    private _snapshotStorage;
    private _resourceLoader;
    private _snapshotIds;
    constructor(snapshotStorage: SnapshotStorage, resourceLoader: (sha1: string) => Promise<Blob | undefined>);
    serveSnapshot(pageOrFrameId: string, searchParams: URLSearchParams, snapshotUrl: string): Response;
    serveClosestScreenshot(pageOrFrameId: string, searchParams: URLSearchParams): Promise<Response>;
    serveSnapshotInfo(pageOrFrameId: string, searchParams: URLSearchParams): Response;
    private _snapshot;
    private _respondWithJson;
    serveResource(requestUrlAlternatives: string[], method: string, snapshotUrl: string): Promise<Response>;
}
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