package Foo::Bar;

use strict;
use Exporter;
use vars qw( @ISA @EXPORT_OK );
@ISA = qw(Exporter);
@EXPORT_OK = qw(&doSomething);

sub new {
  blah blah blah...
}

sub dosomething {
   blah blah blah
}

##</code><code>##

package Foo::Bar::Blah;

use strict;
use Foo::Bar qw(doSomething);
use vars qw( @ISA );
@ISA = qw(Foo::Bar);

##</code><code>##

use strict;
use Foo::Bar::Blah;

Foo::Bar::Blah::doSomething('xyz');

##</code><code>##

Use of inherited AUTOLOAD for non-method Foo::Bar::Blah::doSomething() is deprecated at ./tests/testFooBarBlah.pl ...

Can't locate auto/Foo/Bar/Blah/doSomething.al in @INC ...

##</code><code>##

Foo::Bar::doSomething('xyz');