1 {null=0, 1=2, false=true, foo=bar}

     2 object null

     3 number 1

     4 boolean false

     5 string foo

     6 string bar

     7 number 2

     8 boolean true

     9 number 0

    10 bar

    11 null

    12 null

    13 {null=0, 1=2, false=true, foo=baz}