Returns a Queryable Note! : user must use declare_queryable on a session
returns ReplyKeyExpr for this Querier
ReplyKeyExpr
returns Congestion Control for this Querier
CongestionControl
Issue a Get request on this querier
Optional
get_options: QuerierGetOptionsPromise <Receiever | void>
Queryable class used to receive Query's from the network and handle Reply's created by Session.declare_queryable