# :tag1
use constant constant1 => 1;
use constant constant2 => 2;
use constant constant3 => 3;
# :tag2
use constant constant4 => 4;
use constant constant5 => 5;
use constant constant6 => 6;
# :tag3
use constant constant4 => 4;
use constant constant5 => 5;
use constant constant6 => 6;

@EXPORT_TAGS = some_cool_internal_subrotine_making_the_hash_of_tags_to_be_exported();