You can search for identifiers within the package.
in-package search v0.2.0
type !'a t = {
filename : string;
handle : 'a;
header : Header.t;
footer : Footer.t;
parent : 'a t option;
bat : BAT.t;
batmap : (Batmap_header.t * Batmap.t) option;
bitmap_cache : (int * Bitmap.t) option Pervasives.ref;
}
val check_overlapping_blocks : 'a t -> unit
module Field : sig ... end