%EXPORT= (
                foo => [ v1.0, 'foo_old', v2.0, 'foo_new' ],
                :DEFAULT => [ v1.0, ':_old_imports', v2.3, ':_new_imports' ],
                :_old_imports => [ 'foo', 'bar', 'baz', 'fobble' ],
                :_new_imports => [ 'fobble' ],
                # ... others ...