/**
 * 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 { ExtensionProtocolHandler, SendCommand, SendToCDPClient } from './cdpRelayHandler';
export declare class ExtensionProtocolV2 implements ExtensionProtocolHandler {
    private _model;
    private _ready;
    constructor(sendCommand: SendCommand);
    ready(): Promise<void>;
    connectOverCDP(sendToCDPClient: SendToCDPClient): void;
    onExtensionDisconnect(reason: string): void;
    handleExtensionEvent(method: string, params: any): void;
    handleCDPCommand(method: string, params: any, sessionId: string | undefined): Promise<{
        result: any;
    } | undefined>;
    forwardToExtension(method: string, params: any, sessionId: string | undefined): Promise<any>;
}
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