public class Position
@NotNull public Position up()
@NotNull public Position up(double step)
@NotNull public Position down()
@NotNull public Position down(double step)
@NotNull public Position left()
@NotNull public Position left(double step)
@NotNull public Position right()
@NotNull public Position right(double step)
@NotNull public IWorld getWorld()
@NotNull public Vector3 getPos()