{
  "title": "Factorio json migration",
  "$schema": "https://json-schema.org/draft-07/schema#",
  "type": "object",
  "definitions": {
    "migration_item": {
      "type":"array",
      "items": {
        "type":"array",
        "items": {"type": "string"},
        "minItems": 2,
        "maxItems": 2,
        "uniqueItems": true
      }
    }
  },
  "additionalProperties": false,
  "properties": {
    "custom-input": { "$ref": "#/definitions/migration_item"},
    "equipment-grid": { "$ref": "#/definitions/migration_item"},
    "entity": { "$ref": "#/definitions/migration_item"},
    "particle": { "$ref": "#/definitions/migration_item"},
    "item": { "$ref": "#/definitions/migration_item"},
    "collision-layer": { "$ref": "#/definitions/migration_item"},
    "airborne-pollutant": { "$ref": "#/definitions/migration_item"},
    "tile": { "$ref": "#/definitions/migration_item"},
    "decorative": { "$ref": "#/definitions/migration_item"},
    "recipe-category": { "$ref": "#/definitions/migration_item"},
    "item-group": { "$ref": "#/definitions/migration_item"},
    "item-subgroup": { "$ref": "#/definitions/migration_item"},
    "recipe": { "$ref": "#/definitions/migration_item"},
    "fluid": { "$ref": "#/definitions/migration_item"},
    "ammo-category": { "$ref": "#/definitions/migration_item"},
    "fuel-category": { "$ref": "#/definitions/migration_item"},
    "resource-category": { "$ref": "#/definitions/migration_item"},
    "technology": { "$ref": "#/definitions/migration_item"},
    "noise-function": { "$ref": "#/definitions/migration_item"},
    "noise-expression": { "$ref": "#/definitions/migration_item"},
    "autoplace-control": { "$ref": "#/definitions/migration_item"},
    "equipment": { "$ref": "#/definitions/migration_item"},
    "damage-type": { "$ref": "#/definitions/migration_item"},
    "virtual-signal": { "$ref": "#/definitions/migration_item"},
    "achievement": { "$ref": "#/definitions/migration_item"},
    "module-category": { "$ref": "#/definitions/migration_item"},
    "equipment-category": { "$ref": "#/definitions/migration_item"},
    "mod-setting": { "$ref": "#/definitions/migration_item"},
    "trivial-smoke": { "$ref": "#/definitions/migration_item"},
    "asteroid-chunk": { "$ref": "#/definitions/migration_item"},
    "quality": { "$ref": "#/definitions/migration_item"},
    "surface-property" : { "$ref": "#/definitions/migration_item"},
    "procession-layer-inheritance-group": { "$ref": "#/definitions/migration_item"},
    "procession": { "$ref": "#/definitions/migration_item"},
    "space-location": { "$ref": "#/definitions/migration_item"},
    "space-connection": { "$ref": "#/definitions/migration_item"},
    "active-trigger": { "$ref": "#/definitions/migration_item"},
    "shortcut": { "$ref": "#/definitions/migration_item"},
    "burner-usage": { "$ref": "#/definitions/migration_item"},
    "surface": { "$ref": "#/definitions/migration_item"},
    "mod-data": { "$ref": "#/definitions/migration_item"},
    "custom-event": { "$ref": "#/definitions/migration_item"}
  }
}