usecrate::protocol::marketdata_publisher::{L1BookUpdate, L2BookUpdate, L3BookUpdate};pubmodws_client;pubusews_client::MarketdataWsClient;#[derive(Debug, Clone)]/// Convenience wrapper around the possible book updates
/// to treat these as a single type.
pubenumBookUpdate{L1(L1BookUpdate),L2(L2BookUpdate),L3(L3BookUpdate),}