module LevelDb:sig
..end
val get : LevelDB.db -> string -> string option Async_kernel.Deferred.t
val put : LevelDB.db -> string -> string -> unit Async_kernel.Deferred.t
val put_all : LevelDB.db ->
(string * string) Async.Std.Deferred.List.t -> unit Async_kernel.Deferred.t
val main : unit -> unit Async.Std.Deferred.t