/**
 * Mock platform adapter for testing.
 * Manages in-memory WebSocket connections and coordinates with the router.
 */
import type { ConnectionData } from "../context/base-context.js";
import type { RouterImpl } from "../internal.js";
import type { PlatformAdapter, ServerWebSocket } from "../ws/platform-adapter.js";
import { TestWebSocket, type ConnectionState } from "./test-websocket.js";
import type { OutgoingFrame } from "./types.js";
/**
 * In-memory platform adapter that manages in-memory WebSocket connections.
 * Used by the test harness to coordinate message routing.
 *
 * Integrates with router's websocket bridge to exercise the same code paths
 * as production adapters (Bun, Cloudflare, etc.).
 */
export declare class InMemoryPlatformAdapter<TContext extends ConnectionData = ConnectionData> implements PlatformAdapter {
    private connections;
    private nextClientId;
    private globalMessages;
    private router;
    constructor(router: RouterImpl<TContext>);
    /**
     * Get or create a connection.
     */
    getOrCreateConnection(init?: {
        data?: Partial<TContext>;
        headers?: Record<string, string>;
    }): TestWebSocket;
    /**
     * Get a connection by ID.
     */
    getConnection(clientId: string): ConnectionState<TContext> | undefined;
    /**
     * Get all active connections.
     */
    getAllConnections(): Map<string, ConnectionState<TContext>>;
    getServerWebSocket(clientId: string): ServerWebSocket | undefined;
    close(clientId: string, code?: number, reason?: string): void;
    send(clientId: string, data: string | ArrayBuffer): void;
    getConnectionInfo(clientId: string): Record<string, unknown>;
    /**
     * Send a message to router from a client.
     * Routes through router.websocket.message() to exercise the same bridge
     * as production adapters (Bun, Cloudflare, etc.).
     */
    receiveMessage(clientId: string, type: string, payload?: unknown, meta?: Record<string, unknown>): Promise<void>;
    /**
     * Get all globally sent messages.
     */
    getAllSentMessages(): readonly OutgoingFrame[];
    /**
     * Clear all sent messages.
     */
    clearSentMessages(): void;
    /**
     * Close all connections.
     */
    closeAll(): void;
    private decode;
}
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