You can search for identifiers within the package.
in-package search v0.2.0
val application_directory : unit -> string
val application_storage_directory : unit -> string
val data_directory : unit -> string
val cache_directory : unit -> string
val external_application_storage_directory : unit -> string
val external_data_directory : unit -> string
val external_cache_directory : unit -> string
val external_root_directory : unit -> string
val temp_directory : unit -> string
val synced_data_directory : unit -> string
val documents_directory : unit -> string
val shared_directory : unit -> string