-use ln::msgs::{ChannelMessageHandler, HTLCFailChannelUpdate, ErrorAction};
-use util::events::{Event, MessageSendEvent, MessageSendEventsProvider};
+use ln::msgs::{ChannelMessageHandler, ErrorAction};
+use util::events::{Event, MessageSendEvent, MessageSendEventsProvider, ClosureReason};
+use routing::network_graph::NetworkUpdate;