Client (http_client.Cohttp

val log_name : string

module Conn : sig ... end

module Persistent : sig ... end

val call : 
  ?timeout:Async_kernel__.Import.Time_ns.Span.t ->
  Conn.t ->
  Http_types.Request.t ->
  (Http_types.Response.t, Http_types.Error.t) Core.Result.t Async.Deferred.t