my %self;
my %abldcache;

##</code><code>##

$self->{abldcache} = {
                       'test1' => [],
                       'test2' => [
                                    'element1'                                                  'element2',
                                    'element3'                                                ]
                     };

##</code><code>##

$self->{abldcache}->{'test1'} = [],
$self->{abldcache}->{'test2'} = [
                                  'element1'                                                  'element2',
                                  'element3'                                                ]