{
  C => {
    param1 => [
      "value1",
      "value2",
      "value3",
    ],
    param2 => [
      "value1",
      "value2",
    ],
    param3 => [
      "value1",
    ],
  },
  A => {
    param1 => [
      "value1",
    ],
    param2 => [
      "value1",
      "value2",
    ],
  },
  B => {
    param1 => [
      "value1",
    ],
    param2 => [
      "value1",
      "value2",
    ],
    param3 => [
      "value1",
      "value2",
      "value3",
    ],
  },
};