packet {
  trusted_packet_sequence_id: 1
  timestamp: 0
  incremental_state_cleared: true
  track_descriptor {
    uuid: 1
    thread {
      pid: 5
      tid: 1
      thread_name: "t1"
    }
  }
}
packet {
  trusted_packet_sequence_id: 2
  timestamp: 0
  incremental_state_cleared: true
  track_descriptor {
    uuid: 1
    thread {
      pid: 5
      tid: 5
      thread_name: "t1"
    }
  }
}
packet {
  # Emitted on tid 1.
  # Should set the legacy_passthrough_utid to utid 1.
  trusted_packet_sequence_id: 1
  timestamp: 1000
  track_event {
    categories: "cat"
    name: "name1"
    debug_annotations {
      name: "debug1"
      nested_value {
        nested_type: 1  # DICT
        dict_keys: "key1"
        dict_keys: "key2"
        dict_values {
          nested_type: 0  # leaf
          int_value: 10
        }
        dict_values {
          nested_type: 2  # ARRAY
          array_values {
            nested_type: 0  # leaf
            int_value: 20
          }
          array_values {
            nested_type: 0  # leaf
            int_value: 21
          }
        }
      }
    }
    debug_annotations {
      name: "debug2"
      legacy_json_value: "{\"key1\": 10, \"key2\": [20, 21],"
                         " \"key3\": {\"key31\": 31}}"
    }
    debug_annotations {
      name: "debug3"
      int_value: 31
    }
    debug_annotations {
      name: "debug4"
      dict_entries {
        name: "key1"
        int_value: 10
      }
      dict_entries {
        name: "key2"
        array_values {
          int_value: 20
        }
        array_values {
          int_value: 21
        }
      }
    }
    legacy_event {
      phase: 98  # 'b'
      global_id: 1234
    }
  }
}
packet {
  # Emitted on tid 5.
  # Should NOT override the legacy_passthrough_utid from the BEGIN event.
  trusted_packet_sequence_id: 2
  timestamp: 2000
  track_event {
    categories: "cat"
    debug_annotations {
      name: "debug1"
      nested_value {
        nested_type: 1  # DICT
        dict_keys: "key3"
        dict_keys: "key2"
        dict_values {
          nested_type: 0  # leaf
          int_value: 30
        }
        dict_values {
          nested_type: 2  # ARRAY
          array_values {
            nested_type: 0  # leaf
            int_value: 22
          }
          array_values {
            nested_type: 0  # leaf
            int_value: 23
          }
        }
      }
    }
    debug_annotations {
      name: "debug2"
      legacy_json_value: "{\"key4\": 40, \"key2\": [22, 23],"
                         " \"key3\": {\"key32\": 32}}"
    }
    debug_annotations {
      name: "debug3"
      int_value: 32
    }
    legacy_event {
      phase: 101  # 'e'
      global_id: 1234
    }
  }
}