FirstMessage returns the first message in the buffer.

InsertPosition returns the message that is before the given time (or nil) and the new index of the message with the given timestamp.

LastMessage returns the last message in the buffer or nil if there's nothing.

LatestMessageFrom returns the latest message from the given author ID.

UpdateMessage is a convenient function to update a message in the container.

BacklogLimit is the maximum number of messages to store in the container at once.

ListContainer is an implementation of Container, which allows flexible message grids.

Container is a generic messages container for children messages for children packages.

Controller is for menu actions.