import { IHttpServerComponent } from '@dcl/core-commons';
/**
 * Callback invoked with the upgraded WebSocket. The socket type is generic (defaulting to
 * `any`) so the published types don't depend on `@types/ws` — which would otherwise force
 * every consumer to install it or enable `skipLibCheck`. Consumers that use this (unstable)
 * API can parameterize it with their own socket type, e.g.
 * `WebSocketCallback<import('ws').WebSocket>`.
 */
export type WebSocketCallback<W = any> = (ws: W) => Promise<void> | void;
/**
 * @alpha
 * @deprecated Not stable
 */
export declare function upgradeWebSocketResponse(cb: WebSocketCallback): IHttpServerComponent.IResponse;