/// // WebUSB API type declarations interface USBDevice { vendorId: number; productId: number; serialNumber?: string; manufacturerName?: string; productName?: string; usbVersionMajor: number; usbVersionMinor: number; deviceClass: number; deviceSubclass: number; deviceProtocol: number; } interface USBDeviceFilter { vendorId?: number; productId?: number; } interface USBDeviceRequestOptions { filters: USBDeviceFilter[]; } interface USB { getDevices(): Promise; requestDevice(options: USBDeviceRequestOptions): Promise; } interface Navigator { usb: USB; }