Format and mark DevToolsConnectionAdapter as unused for now

Author: szuend

src/DevToolsConnectionAdapter.ts

@@ -5,23 +5,24 @@
  */
 
 import {type ConnectionTransport} from 'puppeteer-core';
+
 import {Connection} from '../node_modules/chrome-devtools-frontend/front_end/core/protocol_client/InspectorBackend.js';
 
 /**
  * Allows a puppeteer {@link ConnectionTransport} to act like a DevTools {@link Connection}.
  */
-class DevToolsConnectionAdapter extends Connection {
-  #transport: ConnectionTransport|null;
+class _DevToolsConnectionAdapter extends Connection {
+  #transport: ConnectionTransport | null;
   #onDisconnect: ((arg0: string) => void) | null = null;
 
   constructor(transport: ConnectionTransport) {
     super();
     this.#transport = transport;
     this.#transport.onclose = () => this.#onDisconnect?.('');
-    this.#transport.onmessage = (msg) => this.onMessage?.(msg);
+    this.#transport.onmessage = msg => this.onMessage?.(msg);
   }
 
-  override setOnMessage(onMessage: (arg0: Object|string) => void): void {
+  override setOnMessage(onMessage: (arg0: object | string) => void): void {
     this.onMessage = onMessage;
   }