$VAR1 = {
       'foo' => {
                 'child1' => { 
                              'gchild1' => {
                                            'values' => {
                                                         'bar1' => 1,
                                                         'bar2' => 1
                                                        }
                                           }
                             },
                 'child2' => {
                              'gchild1' => {
                                            'values' => {
                                                         'bar1' => 1,
                                                         'bar9' => 1
                                                        }
                                           },
                              'gchild2' => {
                                            'values' => {
                                                         'bar2' => 1,
                                                         'bar3' => 1
                                                        }
                                           }
                             },
                 'child3' => {
                              'values' => {
                                           'bar1' => 1,
                                           'bar2' => 1,
                                           'bar4' => 1,
                                           'bar5' => 1
                                          }
                             }
               }
        };