You can search for identifiers within the package.
in-package search v0.2.0
val raw : ?from:File.fd Vhd.t -> File.fd Vhd.t -> File.fd stream File.t
val vhd : ?from:File.fd Vhd.t -> ?emit_batmap:bool -> File.fd Vhd.t -> File.fd stream File.t
val hybrid : ?from:File.fd Vhd.t -> File.fd -> File.fd Vhd.t -> File.fd stream File.t