$Data::Dump::Streamer::FreezeThaw{__PACKAGE__}=['foo','->bar'];

##</code><code>##

$Data::Dump::Streamer::FreezeThaw{__PACKAGE__}=['foo','->bar'];
$Data::Dumper::FreezeThaw{__PACKAGE__}=['foo','bar'];
$YAML::FreezeThaw{__PACKAGE__}=['foo','bar'];