part_type => $_->part_type,
unit => $_->unit,
cvars => { map { ($_->config->name => { value => $_->value_as_text, is_valid => $_->is_valid }) } @{ $_->cvars_by_config } },
part_type => $_->part_type,
unit => $_->unit,
cvars => { map { ($_->config->name => { value => $_->value_as_text, is_valid => $_->is_valid }) } @{ $_->cvars_by_config } },