/// or a BlockNotifierRef for conciseness. See their documentation for more details, but essentially
/// you should default to using a BlockNotifierRef, and use a BlockNotifierArc instead when you
/// require ChainListeners with static lifetimes, such as when you're using lightning-net-tokio.
/// or a BlockNotifierRef for conciseness. See their documentation for more details, but essentially
/// you should default to using a BlockNotifierRef, and use a BlockNotifierArc instead when you
/// require ChainListeners with static lifetimes, such as when you're using lightning-net-tokio.