ARRAYS => private::my_array
SCALARS => private::my_scalar, private::my_array, private::my_hash
HASHES => private::my_hash

Dumpvalue:
@my_array = (
   0  'my'
   1  'array'
)
$my_scalar = 'my scalar'
%my_hash = (
   'my' => 'hash'
)