WorldBorderInitialize
case
class WorldBorderInitialize(x: Double, z: Double, oldDiameter: Double, newDiameter: Double, speed: VarLong, portalTeleportBoundary: VarInt, warningBlocks: VarInt, warningTime: VarInt)
WorldBorderInitialize is used to create world's border
trait Serializable
trait Product
trait Equals
class Object
trait Matchable
class Any