Method onUpgrade

out/cli.cjs:58118–58122

(statusCode, headers, socket)

          }
        });
      }
      onRequestSent() {
        if (this.handler.onRequestSent) {
          this.handler.onRequestSent();
        }
      }
      onUpgrade(statusCode, headers, socket) {
        if (this.handler.onUpgrade) {