Definition
Web Authentication: An API for accessing Public Key Credentials - Level 3 defines ClientCapability
enum ClientCapability {
"conditionalCreate",
"conditionalGet",
"hybridTransport",
"passkeyPlatformAuthenticator",
"userVerifyingPlatformAuthenticator",
"relatedOrigins",
"signalAllAcceptedCredentials",
"signalCurrentUserDetails",
"signalUnknownCredential"
};