You can search for identifiers within the package.
in-package search v0.2.0
type path_elem = [
| `Field of string
| `Index of int
]
type path = path_elem list
val string_of_path : path -> string
type error = {
error_path : path;
error_msg : string option;
}
val error : ?msg:string -> path -> error
val string_of_error : error -> string