readAttributeCredentialRulesSupport(completion:)
Declaration
func readAttributeCredentialRulesSupport(completion: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeCredentialRulesSupport() async throws -> NSNumberfunc readAttributeCredentialRulesSupport(completion: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeCredentialRulesSupport() async throws -> NSNumber