return function(Baseless)
  Baseless.Data = {}

  Baseless.Data.array = {}
  Baseless.Data.bool = false
  Baseless.Data.double = 0.0
  Baseless.Data.float = 0.0
  Baseless.Data.int16 = 0
  Baseless.Data.uint16 = 0
  Baseless.Data.uint32 = 0
  Baseless.Data.uint8 = 0

  Baseless.Data.Cyclic = true
  Baseless.Data.DirectionCount = Baseless.Data.uint32 + 1
  Baseless.Data.double_positive = Baseless.Data.double + 1
  Baseless.Data.float_positive = Baseless.Data.float + 1
  Baseless.Data.ItemCountType = Baseless.Data.uint32
  Baseless.Data.ItemStackIndex = Baseless.Data.uint16
  Baseless.Data.MinDamageInterval = Baseless.Data.uint32 + 1
  Baseless.Data.MinItemCount = Baseless.Data.ItemCountType + 1
  Baseless.Data.MinItemCount = Baseless.Data.uint32 + 1
  Baseless.Data.MinItemStack = Baseless.Data.ItemStackIndex + 1
  Baseless.Data.MinSpriteSize = Baseless.Data.int16 + 1
  Baseless.Data.uint32_positive = Baseless.Data.uint32 + 1

  Baseless.Data.BoilerFire = {}
  Baseless.Data.BoilerFireGlow = {}
  Baseless.Data.BoundingBox = {{-1, -1}, {1, 1}}
  Baseless.Data.CollisionMask = {}
  Baseless.Data.Color = {}
  Baseless.Data.DaytimeColorLookupTable = {{Baseless.Data.double, "identity"}}
  Baseless.Data.Effect = {}
  Baseless.Data.Energy = "1W"
  Baseless.Data.FluidBox = {pipe_connections = {}}
  Baseless.Data.ModuleSpecification = {}
  Baseless.Data.NonzeroVector = {1, 1}
  Baseless.Data.RealOrientation = Baseless.Data.float
  Baseless.Data.SelectionMode = "nothing"
  Baseless.Data.SelectionType = "not-allowed"
  Baseless.Data.SpeechBubbleStyle = "compilatron_speech_bubble"
  Baseless.Data.Vector = {0, 0}
  Baseless.Data.Vector_negative = {-1, -1}
  Baseless.Data.Vector_positive = {1, 1}
  Baseless.Data.WirePosition = {}

  Baseless.Data.AmmoCategory = "baseless-ammo-category"
  Baseless.Data.CurvedRailEntity = "baseless-curved-rail"
  Baseless.Data.DamageType = "baseless-damage-type"
  Baseless.Data.EquipmentType = "baseless-equipment-category"
  Baseless.Data.Fluid = "baseless-fluid"
  Baseless.Data.FuelType = "baseless-fuel-category"
  Baseless.Data.Gun = "baseless-gun"
  Baseless.Data.ItemGroup = "baseless-item-group"
  Baseless.Data.ItemSubGroup = "baseless-item-subgroup"
  Baseless.Data.ModuleCategory = "baseless-module-category"
  Baseless.Data.Particle = "baseless-optimized-particle"
  Baseless.Data.RailPlanner = "baseless-rail-planner"
  Baseless.Data.RecipeCategory = "baseless-recipe-category"
  Baseless.Data.ResourceType = "baseless-resource-category"
  Baseless.Data.RocketEntity = "baseless-rocket-silo-rocket"
  Baseless.Data.SpiderLeg = "baseless-spider-leg"
  Baseless.Data.StraightRailEntity = "baseless-straight-rail"
  Baseless.Data.UnitEntity = "baseless-unit"

  Baseless.Data.AmmoType = {category = Baseless.Data.AmmoCategory}
  Baseless.Data.ElectricUsagePriority = "tertiary"
  Baseless.Data.ElectricEnergySource = {usage_priority = Baseless.Data.ElectricUsagePriority}
  Baseless.Data.BurnerEnergySource = {
    type = "burner",
    fuel_inventory_size = Baseless.Data.ItemStackIndex,
    fuel_category = Baseless.Data.FuelType,
  }
  Baseless.Data.VoidEnergySource = {type = "void"}
  Baseless.Data.WireConnectionPoint = {
    wire = Baseless.Data.WirePosition,
    shadow = Baseless.Data.WirePosition,
  }
  Baseless.Data.BeamAttackParameters = {
    type = "beam",
    range = Baseless.Data.float,
    cooldown = Baseless.Data.float,
    ammo_type = Baseless.Data.AmmoType,
  }
  Baseless.Data.StreamAttackParameters = {
    type = "stream",
    range = Baseless.Data.float,
    cooldown = Baseless.Data.float,
    ammo_type = Baseless.Data.AmmoType,
  }
  Baseless.Data.DamagePrototype = {amount = Baseless.Data.float, type = Baseless.Data.DamageType}
  Baseless.Data.HeatBuffer = {
    max_temperature = 15, -- minimum 15
    specific_heat = Baseless.Data.Energy,
    max_transfer = Baseless.Data.Energy,
  }
  Baseless.Data.MinableProperties = {mining_time = Baseless.Data.double_positive}
  Baseless.Data.SpawnPoint = {
    evolution_factor = Baseless.Data.double,
    spawn_weight = Baseless.Data.double,
  }

  Baseless.Data.BeltTileHeight = 1 -- must be 1
  Baseless.Data.BeltTileWidth = 1 -- must be 1
  Baseless.Data.fwd2bwd_ratio = 2 -- minimum 2
  Baseless.Data.LoaderTileHeight = 2 -- must be 2
  Baseless.Data.MaxLogisticSlots = 1 -- maximum 1
  Baseless.Data.SplitterTileWidth = 2 -- must be 2

  Baseless.Data.ThrowCapsuleAction = {
    type = "throw",
    attack_parameters = Baseless.Data.BeamAttackParameters,
  }
  Baseless.Data.CombinatorOffsets = {
    Baseless.Data.Vector, Baseless.Data.Vector, Baseless.Data.Vector, Baseless.Data.Vector,
  }
  Baseless.Data.CombinatorConnectionPoints = {
    Baseless.Data.WireConnectionPoint, Baseless.Data.WireConnectionPoint,
    Baseless.Data.WireConnectionPoint, Baseless.Data.WireConnectionPoint,
  }
  Baseless.Data.RollingStockCollisionBox = {{-0.1, -2}, {0.1, 2}}
  Baseless.Data.ElectricPoleConnectionPoints = {Baseless.Data.WireConnectionPoint}
  Baseless.Data.RailChainSignalBoxOffsets = {
    Baseless.Data.Vector, Baseless.Data.Vector, Baseless.Data.Vector, Baseless.Data.Vector,
    Baseless.Data.Vector, Baseless.Data.Vector, Baseless.Data.Vector, Baseless.Data.Vector,
  }
  Baseless.Data.ResourceStageCounts = {Baseless.Data.uint32}
  Baseless.Data.SpiderLegSpecification = {
    leg = Baseless.Data.SpiderLeg,
    mount_position = Baseless.Data.Vector,
    ground_position = Baseless.Data.Vector,
    blocking_legs = Baseless.Data.array,
  }
  Baseless.Data.SpiderEnginePrototype = {legs = Baseless.Data.SpiderLegSpecification}
  Baseless.Data.UnitSpawnDefinition = {
    unit = Baseless.Data.UnitEntity,
    spawn_points = {Baseless.Data.SpawnPoint},
  }
  Baseless.Data.EquipmentShape = {
    width = Baseless.Data.uint32,
    height = Baseless.Data.uint32,
    type = "full",
  }
  Baseless.Data.RailPlaceableBy = {
    item = Baseless.Data.RailPlanner,
    count = Baseless.Data.uint32_positive,
  }
  Baseless.Data.InserterCollisionBox = {{-0.1, -0.1}, {0.1, 0.1}}
end