1&id002 !!java.util.LinkedHashMap 2? !!org.yaml.snakeyaml.recursive.Human2 3 bankAccountOwner: &id001 !!org.yaml.snakeyaml.recursive.Human2 4 bankAccountOwner: *id001 5 birthPlace: Leningrad 6 birthday: 1970-01-12T13:46:40Z 7 children: *id002 8 father: null 9 mother: null 10 name: Father 11 partner: &id003 !!org.yaml.snakeyaml.recursive.Human2 12 bankAccountOwner: *id001 13 birthPlace: Saint-Petersburg 14 birthday: 1973-03-03T09:46:40Z 15 children: *id002 16 father: null 17 mother: null 18 name: Mother 19 partner: *id001 20 birthPlace: Munich 21 birthday: 1979-10-28T23:06:40Z 22 children: !!java.util.LinkedHashMap {} 23 father: *id001 24 mother: *id003 25 name: Son 26 partner: null 27: This is My Son 28? !!org.yaml.snakeyaml.recursive.Human2 29 bankAccountOwner: *id001 30 birthPlace: New York 31 birthday: 1983-04-24T02:40:00Z 32 children: !!java.util.LinkedHashMap {} 33 father: *id001 34 mother: *id003 35 name: Daughter 36 partner: null 37: This Is My Daughter