# Constants
ChannelOrderBook snapshot and update might return less than 200 bids/asks as per symbol's orderbook various from each other; The number of bids/asks is not a fixed value and may vary in the future.
ChannelOrderBook15 top 15 order book of "books" that begins from bid1/ask1.
ChannelOrderBook5 top 5 order book of "books" that begins from bid1/ask1.
# Structs
{ "asks":[ [ "28350.78", "0.2082" ], ], "bids":[ [ "28350.70", "0.5585" ], ], "checksum":0, "ts":"1697593934630" }.
go:generate callbackgen -type Stream.
WsEvent is the lowest level of event type.