{
    'main2_overwritten_by_sub2_scalar' => 'o1',
    'main2_overwritten_by_sub2_hash' => {
        'o1' => 'o2',
        'o3' => [
        'o4',
        'o5',
        'o6'
        ]
    },
    'main2_overwritten_by_sub2_array' => [
    'o1',
    'o2',
    {
        'o3' => 'o4'
    }
    ]
};