package private;
our $my_scalar = 'my scalar';
our @my_array  = qw(my array);
our %my_hash   = ( my => 'hash' );

package main;
use strict;
use Devel::Symdump;

print "ARRAYS => "
    . join(q{, }, Devel::Symdump->arrays("private")),"\n";
print "SCALARS => "
    . join(q{, }, Devel::Symdump->scalars("private")),"\n";
print "HASHES => "
    . join(q{, }, Devel::Symdump->hashes("private")),"\n";

# yields the following
__END__
ARRAYS => private::my_array
SCALARS => private::my_scalar, private::my_array, private::my_hash
HASHES => private::my_hash