/usr/lib/ocaml/sexplib/lexer.mli is in libsexplib-camlp4-dev 109.20.00-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | val main : ?buf:Buffer.t -> Lexing.lexbuf -> Parser.token
val main_with_layout : ?buf:Buffer.t -> Lexing.lexbuf -> Parser_with_layout.token
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