{
  a => {
    b => 3,
  }
  b => 123,
  c => {
    b => [
      123,
      456,
      789,
    ],
  },
  d => [
    b => 456,
  ],
}

##</code><code>##

{
  a => {
    b => [
      3,
    ]
  }
  b => [
    123,
  ],
  c => {
    b => [
      123,
      456,
      789,
    ],
  },
  d => [
    b => [
      456,
    ],
  ],
}