/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
import { IDisposable } from "../../../base/common/lifecycle.mjs";
import { URI } from "../../../base/common/uri.mjs";
import { IAddress } from "../../remote/common/remoteAgentConnection.mjs";
import { ITunnelService } from "../../tunnel/common/tunnel.mjs";
export interface IWebviewPortMapping {
    readonly webviewPort: number;
    readonly extensionHostPort: number;
}
/**
 * Manages port mappings for a single webview.
 */
export declare class WebviewPortMappingManager implements IDisposable {
    private readonly _getExtensionLocation;
    private readonly _getMappings;
    private readonly tunnelService;
    private readonly _tunnels;
    constructor(_getExtensionLocation: () => URI | undefined, _getMappings: () => readonly IWebviewPortMapping[], tunnelService: ITunnelService);
    getRedirect(resolveAuthority: IAddress | null | undefined, url: string): Promise<string | undefined>;
    dispose(): Promise<void>;
    private getOrCreateTunnel;
}