kBluetoothHCIEventMaskReadRemoteSupportedFeaturesComplete

objc2_io_bluetooth

Constant kBluetoothHCIEventMaskReadRemoteSupportedFeaturesComplete 

Source 
pub const kBluetoothHCIEventMaskReadRemoteSupportedFeaturesComplete: c_uint = 0x00000400;
Available on crate feature Bluetooth only.
Expand description

Apple’s documentation