# Pastebin XO5cOWbq
# extra inc contains inc= arguments which should be allowed if another
# argument is present.  E.g. isrcs only make sense on a
# request for a recording or a request with inc=recordings.  This hash
# helps validate the second case (inc=recordings).
our %extra_inc = (
    'recordings' => [ qw( artist-credits puids isrcs ) ],
    'recording-rels' => [ qw( artist-credits ) ],
    'releases' => [ qw( artist-credits discids media type status ) ],
    'release-rels' => [ qw( artist-credits ) ],
    'release-groups' => [ qw( artist-credits type ) ],
    'release-group-rels' => [ qw( artist-credits ) ],
    'works' => [ qw( artist-credits ) ],
);