package C1;
use M1 v1.0 qw/--verbose_import &foo bar baz quux bazola $ztesch --dump/;

package C2;
use M2 v1.0 qw/ foo baz $ztesch :tag1/;

package C3;
use M3 v1.0 qw/ --verbose_import foo --dump/;
print "so what?\n";

package C4;
use M2 v2.3.4.5 qw/foo baz --dump/;