You can search for identifiers within the package.
in-package search v0.2.0
type t = [
| `Fatal
| `Error
| `Warning
| `Info
| `Debug
]
https://docs.sentry.io/clientdev/attributes/#required-attributes
val sexp_of_t : t -> Ppx_sexp_conv_lib.Sexp.t
val wrap : string -> [> t ]
val unwrap : [< t ] -> string