API Reference / v3 / experimental / DevTools DevTools 3 exports Since v1.0.0 Source Layers layer Since v1.0.0 Source Signature declare function layer(url: string): Layer<never> layerSocket Since v1.0.0 Source Signature declare const layerSocket: Layer.Layer<never, never, Socket.Socket> layerWebSocket Since v1.0.0 Source Signature declare function layerWebSocket(url: string): Layer<never, never, WebSocketConstructor>