import type { ServerWebSocket } from "@ws-kit/core";
import type { ServerWebSocket as BunServerWebSocket } from "bun";
/**
 * Adapts Bun's ServerWebSocket to conform to the core interface.
 *
 * Bun's ServerWebSocket already implements all required methods and properties,
 * so this adapter is primarily for type safety and documentation.
 *
 * **Note**: This adapter has no runtime overhead—it's purely for TypeScript
 * type checking. At runtime, we pass through to Bun's native WebSocket.
 *
 * This function is for Bun-specific application code. The router itself receives
 * platform-specific WebSockets and handles the adaptation internally.
 *
 * @param ws - Bun's ServerWebSocket instance (can have generic TData)
 * @returns The same WebSocket (no-op at runtime) cast to core's non-generic ServerWebSocket
 */
export declare function adaptBunWebSocket<TData = unknown>(ws: BunServerWebSocket<TData>): ServerWebSocket;
/**
 * Type guard to check if an object is a Bun ServerWebSocket.
 *
 * Useful for platform detection or conditional logic.
 *
 * @param ws - Unknown WebSocket-like object
 * @returns true if ws has Bun ServerWebSocket methods
 */
export declare function isBunWebSocket<TData = unknown>(ws: unknown): ws is BunServerWebSocket<TData>;
//# sourceMappingURL=websocket.d.ts.map