$class->SUPER::import(ARRAY => __PACKAGE__.'::Work');

##</code><code>##

package Array::Extract;

my $worker_package = __PACKAGE__ . '::Work'; # or whatever other name you want

sub worker_extract {
    ... your code ...
};

{
    no strict 'refs';
    *{"$worker_package\::extract"} = \&worker_extract;
};