kIOUSBSuperSpeedPlusDeviceCapabilitySublinkSpeedAttrCount

objc2_io_kit

Constant kIOUSBSuperSpeedPlusDeviceCapabilitySublinkSpeedAttrCount 

Source 
pub const kIOUSBSuperSpeedPlusDeviceCapabilitySublinkSpeedAttrCount: c_uint = _; // 31u32
Available on crate features AppleUSBDefinitions and usb only.
Expand description

Apple’s documentation