objc2_authentication_services

Static ASAuthorizationSecurityKeyPublicKeyCredentialDescriptorTransportUSB

Source 
pub unsafe static ASAuthorizationSecurityKeyPublicKeyCredentialDescriptorTransportUSB: &'static ASAuthorizationSecurityKeyPublicKeyCredentialDescriptorTransport
Available on crate feature ASAuthorizationSecurityKeyPublicKeyCredentialDescriptor only.
Expand description

Indicates using USB or Lightning to communicate with an authenticator.

See also Apple’s documentation