$VAR1 = {
          'FOO' => 'the value',
          'FOO_const' => 'the FOO key'
        };
$VAR2 = {
          'FOO' => 'other value',
          'the FOO key' => 'the value'
        };
$VAR3 = [
          'the FOO key',
          'the FOO key'
        ];
the value