/// The contents of an onion message. In the context of offers, this would be the invoice, invoice
/// request, or invoice error.
pub enum OnionMessageContents<T: CustomOnionMessageContents> {
/// The contents of an onion message. In the context of offers, this would be the invoice, invoice
/// request, or invoice error.
pub enum OnionMessageContents<T: CustomOnionMessageContents> {