File: bp-messages/bp-messages-star.php
Description
bp_messages_star_message_css_class()

Add CSS class for the current message depending on starred status.

Source: bp-messages/bp-messages-star.php:360

bp_messages_filter_starred_message_threads()

Filter message threads by those starred by the logged-in user.

Source: bp-messages/bp-messages-star.php:382