fn persist_manager(&self, channel_manager: &ChannelManager<Signer, M, T, K, F, L>) -> Result<(), io::Error>;
/// Persist the given [`NetworkGraph`] to disk, returning an error if persistence failed.
fn persist_manager(&self, channel_manager: &ChannelManager<Signer, M, T, K, F, L>) -> Result<(), io::Error>;
/// Persist the given [`NetworkGraph`] to disk, returning an error if persistence failed.