+ /// Used to indicate that we've intercepted an HTLC forward. This event will only be generated if
+ /// you've encoded an intercept scid in the receiver's invoice route hints using
+ /// [`ChannelManager::get_intercept_scid`] and have set [`UserConfig::accept_intercept_htlcs`].
+ ///
+ /// [`ChannelManager::forward_intercepted_htlc`] or
+ /// [`ChannelManager::fail_intercepted_htlc`] MUST be called in response to this event. See
+ /// their docs for more information.
+ ///
+ /// [`ChannelManager::get_intercept_scid`]: crate::ln::channelmanager::ChannelManager::get_intercept_scid
+ /// [`UserConfig::accept_intercept_htlcs`]: crate::util::config::UserConfig::accept_intercept_htlcs
+ /// [`ChannelManager::forward_intercepted_htlc`]: crate::ln::channelmanager::ChannelManager::forward_intercepted_htlc
+ /// [`ChannelManager::fail_intercepted_htlc`]: crate::ln::channelmanager::ChannelManager::fail_intercepted_htlc