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  ],
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  "extern_instances" : [],
  "field_aliases" : [
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      "queueing_metadata.enq_timestamp",
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    ],
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    ],
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      ["standard_metadata", "lf_field_list"]
    ],
    [
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      ["standard_metadata", "mcast_grp"]
    ],
    [
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      ["standard_metadata", "resubmit_flag"]
    ],
    [
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      ["standard_metadata", "egress_rid"]
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  ]
}