ContactList

class ContactList : System.Collections.Generic.List<Contact>, System.Collections.Generic.IList<Contact>, System.Collections.Generic.ICollection<Contact>, System.Collections.Generic.IEnumerable<Contact>, System.Collections.IEnumerable, System.Collections.IList, System.Collections.ICollection, System.Collections.Generic.IReadOnlyList<Contact>, System.Collections.Generic.IReadOnlyCollection<Contact>

Represents a list of contacts. Every ContactList has a maximum of four contacts.