@startuml
skin rose
skinparam BackgroundColor transparent
skinparam GenericDisplay old
skinparam Shadowing false
hide empty members

class "RemoveList<Animal>" as remove_list_animal {
    + void RemoveAt(int index)
    + Animal this[int index] {method}
}

class "RemoveList<Dog>" as remove_list_dog {
    + void RemoveAt(int index)
    + Dog this[int index] {method}
}
class "RemoveList<Cat>" as remove_list_cat {
    + void RemoveAt(int index)
    + Cat this[int index] {method}
}

remove_list_animal <|-[#blue]- remove_list_dog
remove_list_animal <|-[#blue]- remove_list_cat

@enduml