public interface CustomerDisplayDeviceSpec extends DeviceSpec
CustomerDisplayDeviceSpec interface extends DeviceSpec to define the specifications for a Customer Display Device.
This interface is part of the com.cloudpos.customerdisplay package and is used for specifying the characteristics and capabilities of a Customer Display Device.
It includes methods specific to USB external switch devices, enabling applications to query their capabilities and configurations.
Note: This interface may be expanded in future versions to include specific methods that provide detailed information about the Customer Display Device.