time_t empathy_message_get_timestamp (EmpathyMessage *message);
void empathy_message_set_timestamp (EmpathyMessage *message,
time_t timestamp);
+GDate * empathy_message_get_date_and_time (EmpathyMessage *message,
+ time_t *timestamp);
EmpathyMessageType empathy_message_type_from_str (const gchar *type_str);
const gchar * empathy_message_type_to_str (EmpathyMessageType type);