@startuml
!include style.puml
skinparam arrowThickness 1.1
skinparam arrowColor MODEL_COLOR
skinparam classBackgroundColor MODEL_COLOR

Package Model <<Rectangle>>{
Interface ReadOnlyAddressBook <<Interface>>
Interface Model <<Interface>>
Interface ObservableList <<Interface>>
Class AddressBook
Class ReadOnlyAddressBook
Class Model
Class ModelManager
Class UserPrefs
Class ReadOnlyUserPrefs

Package Person {
Class Person
Class Address
Class Email
Class Question
Class Answer
Class UniquePersonList
}

Package Tag {
Class Tag
}
}

Class HiddenOutside #FFFFFF
HiddenOutside ..> Model

AddressBook .up.|> ReadOnlyAddressBook

ModelManager .up.|> Model
Model .right.> ObservableList
ModelManager o--> "1" AddressBook
ModelManager o-left-> "1" UserPrefs
UserPrefs .up.|> ReadOnlyUserPrefs

AddressBook *--> "1" UniquePersonList
UniquePersonList o--> "*" Person
Person *--> Question
Person *--> Answer
Person *--> Email
Person *--> Address
Person *--> "*" Tag

Name -[hidden]right-> answer
answer -[hidden]right-> Address
Address -[hidden]right-> Email

ModelManager -->"1" Person : filtered list
@enduml
