Module Async_rpc_kernel__.Implementation
module Expert : sig ... endmodule F : sig ... endtype 'connection_state t= 'connection_state Async_rpc_kernel__.Implementation_types.Implementation.t={tag : Async_rpc_kernel__.Protocol.Rpc_tag.t;version : int;f : 'connection_state F.t;}
val description : _ t -> Async_rpc_kernel__.Description.tval lift : 'a t -> f:('b -> 'a) -> 'b t