You can search for identifiers within the package.
in-package search v0.2.0
val exists : 'a -> 'b -> 'c -> 'd
val mkdir : ?with_watch:'a -> 'b -> 'c -> 'd -> 'e -> 'f
val read : 'a -> 'b -> 'c -> 'd
val write : 'a -> 'b -> 'c -> 'd -> 'e -> 'f
val list : 'a -> 'b -> 'c -> 'd
val rm : 'a -> 'b -> 'c -> 'd
val getperms : 'a -> 'b -> 'c -> 'd
val setperms : 'a -> 'b -> 'c -> 'd -> 'e