/**
 * Mock WebSocket implementation for testing.
 * Captures all messages sent and tracks connection state.
 */
import type { ConnectionData } from "../context/base-context.js";
import type { AdapterWebSocket } from "../ws/platform-adapter.js";
import type { OutgoingFrame } from "./types.js";
/**
 * In-memory AdapterWebSocket that records all sent messages.
 */
export declare class TestWebSocket implements AdapterWebSocket {
    readonly clientId: string;
    readyState: "CONNECTING" | "OPEN" | "CLOSING" | "CLOSED";
    initialData?: Record<string, unknown>;
    private sentMessages;
    private sentRaw;
    constructor(clientId: string, initialData?: Record<string, unknown>);
    /**
     * Send message (records to sentMessages).
     */
    send(data: string | ArrayBuffer): void;
    /**
     * Close connection.
     */
    close(code?: number, reason?: string): void;
    /**
     * Get all messages sent to this connection.
     */
    getSentMessages(): readonly OutgoingFrame[];
    /**
     * Get all raw sent messages (for debugging malformed/binary frames).
     */
    getSentMessagesRaw(): readonly (string | ArrayBuffer)[];
    /**
     * Clear sent messages (for testing).
     */
    clearSentMessages(): void;
    private decode;
}
/**
 * Connection state for test adapter.
 */
export interface ConnectionState<TContext extends ConnectionData = ConnectionData> {
    ws: TestWebSocket;
    data: TContext;
    headers?: Record<string, string>;
    subscriptions: Set<string>;
}
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