!!org.yaml.snakeyaml.constructor.MyCar plate: 00-FF-Q2 wheels: ? {brand: Pirelli1, id: 1} : 2009-07-21T21:36:08.085Z ? {brand: Pirelli2, id: 2} : 2009-07-21T21:36:08.086Z ? {brand: Pirelli3, id: 3} : 2009-07-21T21:36:08.087Z ? {brand: Pirelli4, id: 4} : 2009-07-21T21:36:08.088Z ? {brand: Pirelli5, id: 5} : 2009-07-21T21:36:08.089Z windows: null