T deme's population was steady at 8216 before it grew to 9814 887.4431 generations ago, maintaining that number to the present.
time_units: generations
demes:
  - name: T
    start_time: .inf
    epochs:
      - start_size: 8216
        end_time: 887.4431
      - start_size: 9814
        end_time: 0