Deme A had an initial size of 1450 until 3722.924 generations ago. At that time, its population size grew to 9422, and has remained there till current time.
time_units: generations
demes:
  - name: A
    start_time: .inf
    epochs:
      - start_size: 1450
        end_time: 3722.924
      - start_size: 9422
        end_time: 0