import { Disposable } from "@codingame/monaco-vscode-api/vscode/vs/base/common/lifecycle";
import { IInstantiationService } from "@codingame/monaco-vscode-api/vscode/vs/platform/instantiation/common/instantiation";
import { IAhpJsonlLoggerOptions } from "../common/ahpJsonlLogger.js";
import type { AhpServerNotification, JsonRpcNotification, JsonRpcRequest, JsonRpcResponse, ProtocolMessage } from "@codingame/monaco-vscode-api/vscode/vs/platform/agentHost/common/state/sessionProtocol";
import type { IClientTransport } from "../common/state/sessionTransport.js";
/**
 * A WebSocket client transport that connects to a remote agent host server.
 * Uses the native browser WebSocket API (available in Electron renderer).
 * Implements {@link IClientTransport} with JSON serialization and URI revival.
 */
export declare class WebSocketClientTransport extends Disposable implements IClientTransport {
    private readonly _address;
    private readonly _connectionToken;
    private readonly _onMessage;
    readonly onMessage: import("@codingame/monaco-vscode-api/vscode/vs/base/common/event").Event<ProtocolMessage>;
    private readonly _onClose;
    readonly onClose: import("@codingame/monaco-vscode-api/vscode/vs/base/common/event").Event<void>;
    private readonly _onOpen;
    readonly onOpen: import("@codingame/monaco-vscode-api/vscode/vs/base/common/event").Event<void>;
    private _ws;
    private _malformedFrames;
    /** Guards against firing onClose more than once. */
    private _closeFired;
    get isOpen(): boolean;
    private readonly _ahpLogger?;
    constructor(_address: string, _connectionToken: string | undefined, ahpLogOptions: IAhpJsonlLoggerOptions | undefined, instantiationService: IInstantiationService);
    /**
     * Initiate the WebSocket connection. Resolves when the connection
     * is open, or rejects on error/timeout.
     */
    connect(): Promise<void>;
    /**
     * Send a message to the remote end. Returns `true` if the message was
     * sent, `false` if it was dropped (socket not open). On failure, the
     * transport is force-closed so reconnection is triggered immediately
     * rather than silently losing messages.
     */
    send(message: ProtocolMessage | AhpServerNotification | JsonRpcNotification | JsonRpcResponse | JsonRpcRequest): boolean;
    dispose(): void;
}