52   var message: String? { get }  variable
60   let message: String? = nil  variable
68   let message: String? = nil  variable
76   let message: String? = nil  variable
84   let message: String?  variable
94   let message: String?  variable
104   let message: String? = nil  variable
112   let message: String? = nil  variable
120   let message: String? = nil  variable
128   let message: String? = nil  variable
137   let message: String? = nil  variable
146   let message: String? = nil  variable