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  {
    "type": "SingleLine",
    "text": " completely discarding the `if` would introduce some",
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    },
    "end": {
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      "column": 0,
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  {
    "type": "SingleLine",
    "text": " bugs.  UglifyJS v1 doesn't deal with this issue; in v2",
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    "type": "SingleLine",
    "text": " we copy any declarations to the upper scope.",
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    "text": " but nested declarations should not be kept.",
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