You can search for identifiers within the package.
in-package search v0.2.0
type token =
| UIDENT of string
| TYPE
| TILDE
| TIDENT of string
| STRING of string
| STAR
| SEMICOLON
| QUESTION
| OP_PAREN
| OP_CURL
| OP_BRACK
| OF
| LT
| LIDENT of string
| INHERIT
| GT
| EQ
| EOF
| COMMA
| COLON
| CL_PAREN
| CL_CURL
| CL_BRACK
| BAR
exception Error
val full_module : (Lexing.lexbuf -> token) -> Lexing.lexbuf -> Atd_ast.full_module