Initially, the population size of deme L stood at 418, but this changed 9846.103 generations ago when it grew to 4625, and it has been stable at that size up to today.
time_units: generations
demes:
  - name: L
    start_time: .inf
    epochs:
      - start_size: 418
        end_time: 9846.103
      - start_size: 4625
        end_time: 0