@NonNull abstract fun getReadMessages(): MutableList<InboxMessage!>
Gets a List of Active, Read, not Deleted Inbox Messages for use with your own adapter.
A Inbox Message is considered Active if its InboxMessage#startDateUtc() is in the past and its InboxMessage#endDateUtc() is NULL or in the future.
Return
MutableList<InboxMessage!>: List of InboxMessage