SimpleAttribute TriState {
    name = "TriState"
}
SimpleAttribute String {
    name = "String"
}
SimpleAttribute Boolean {
    name = "Boolean"
}

Class State {
    name = "State"
    name : String
    isInitial : Boolean
}
Class ErrorState : State {
    name = "ErrorState"
}
Class NormalState : State {
    name = "NormalState"
}

Association Transition (State, State) {
    name = "Transition"
    objPresent : TriState
}
Association OnUp : Transition (State, State) {
    name = "OnUp"
}
Association OnDown : Transition (State, State) {
    name = "OnDown"
}
Association OnNeutral : Transition (State, State) {
    name = "OnNeutral"
}