[
  [
    {
      "null_pages": [
        false
      ],
      "min_values": [
        "name"
      ],
      "max_values": [
        "parent"
      ],
      "boundary_order": "ASCENDING",
      "null_counts": [
        0
      ]
    },
    {
      "null_pages": [
        false
      ],
      "min_values": [
        "another"
      ],
      "max_values": [
        "report"
      ],
      "boundary_order": "ASCENDING",
      "null_counts": [
        0
      ]
    }
  ]
]