Deme T had an initial size of 1444 until 705.0 generations ago. At that time, its population size increased to 4768, and has remained there till current time.
time_units: generations
demes:
  - name: T
    start_time: .inf
    epochs:
      - start_size: 1444
        end_time: 705.0
      - start_size: 4768
        end_time: 0