Deme T had an initial size of 9014 until 4117.0 generations ago. At that time, its population size changed to 2410, and has remained there till current time.
time_units: generations
demes:
  - name: T
    start_time: .inf
    epochs:
      - start_size: 9014
        end_time: 4117.0
      - start_size: 2410
        end_time: 0