test/trace_processor/heap_graph_object.out

"id","type","upid","graph_sample_ts","object_id","self_size","reference_set_id","type_name","root_type"
0,"heap_graph_object",0,10,1,64,0,"FactoryProducerDelegateImplActor","ROOT_JAVA_FRAME"
1,"heap_graph_object",0,10,2,32,1,"Foo","[NULL]"