Module Async_ecaml.Export

module Clock : sig ... end
module Async_process = Async.Process

Async.Process is shadowed by Ecaml.Process, so we make it available as Async_process.

module Async = Async

This lets us reliably shadow Async values in Import.

module Async_kernel = Async_kernel
val don't_wait_for : unit Async.Deferred.t -> unit