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613    "safari": "10",
614    "node": "6",
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617    "electron": "1"
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630    "electron": "1.1"
631  },
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636    "safari": "9",
637    "node": "8.10",
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640    "electron": "3"
641  },
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646    "safari": "9",
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650    "electron": "3"
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652  "es6.object.define-property": {
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663    "electron": "1.1"
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676    "electron": "1.1"
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722    "safari": "9",
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1466  },
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1468    "chrome": "51",
1469    "edge": "15",
1470    "firefox": "53",
1471    "safari": "9",
1472    "node": "6.5",
1473    "ios": "9",
1474    "opera": "38",
1475    "electron": "1.2"
1476  },
1477  "es7.array.flat-map": {
1478    "chrome": "69",
1479    "firefox": "62",
1480    "safari": "12",
1481    "node": "11.0",
1482    "ios": "12",
1483    "opera": "56",
1484    "electron": "4"
1485  }
1486}
1487