time_units: generations
demes:
- name: deme1
  start_time: .inf
  epochs:
  - {end_size: 10000.443621038596, end_time: 4999.999999999999, start_size: 10000.443621038596}
  - {end_size: 39999.99999999999, end_time: 0, start_size: 10000.443621038596}
- name: deme2
  start_time: 14999.999999999996
  epochs:
  - {end_size: 1999.9999999999998, end_time: 9999.999999999998, start_size: 1999.9999999999998}
  - {end_size: 4999.999999999999, end_time: 0, start_size: 4999.999999999999}
  ancestors: [deme1]
migrations: []