package Dir::Pkg;
use strict;

use vars qw(@ISA @EXPORT @EXPORT_OK $VERSION);

require Exporter;
@ISA = qw(Exporter);
@EXPORT = qw(sub1 sub2);
$VERSION = 1.00;

use SomeOtherModule;

sub1 {
}

sub2 {
}
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I cannot see any other sub classing. Let me check if I am missing something.

Thanks