packet {
  process_tree {
    processes {
      pid: 2
      ppid: 1
      cmdline: "system_server"
      uid: 1000
    }
  }
}
packet {
  trusted_packet_sequence_id: 999
  timestamp: 10
  heap_graph {
    pid: 2
    objects {
      # Class<Object> type
      id: 0x01
      type_id: 1
      self_size: 40
    }
    objects {
      # Class<MySuperClass> type
      id: 0x02
      type_id: 2
      self_size: 40
      reference_field_id: 1
      reference_object_id: 0x01
    }
    objects {
      # Class<MyChildClass> type
      id: 0x03
      type_id: 3
      self_size: 40
      reference_field_id: 1
      reference_object_id: 0x02
    }
    objects {
      # Object instance
      id: 0x04
      type_id: 4
      self_size: 128
    }
    objects {
      # MySuperClass instance
      id: 0x05
      type_id: 5
      self_size: 128
    }
    objects {
      # MyChildClass instance
      id: 0x06
      type_id: 6
      self_size: 128
    }

    types {
      id: 1
      location_id: 1
      class_name: "java.lang.Class<java.lang.Object>"
    }
    types {
      id: 2
      location_id: 1
      class_name: "java.lang.Class<MySuperClass>"
    }
    types {
      id: 3
      location_id: 2
      class_name: "java.lang.Class<MyChildClass>"
    }
    types {
      id: 4
      location_id: 1
      class_name: "java.lang.Object"
    }
    types {
      id: 5
      location_id: 1
      class_name: "MySuperClass"
    }
    types {
      id: 6
      location_id: 2
      class_name: "MyChildClass"
    }

    field_names {
      iid: 1
      str: "java.lang.Class.superClass"
    }

    location_names {
      iid: 1
      str: "l1"
    }
    location_names {
      iid: 2
      str: "l2"
    }
    continued: false
    index: 0
  }
}