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