description: A single-population bottleneck model.
generation_time: 1
time_units: generations
demes:
  - name: our_population
    description: Bottleneck population using epochs
    epochs:
    - start_size: 1e4
      end_time: 500
    - start_size: 1e2
      end_time: 100
    - start_size: 1e4