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                        ],
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                    "encodings": [
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                    ],
                    "type": "interval"
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                    "type": "quantitative",
                    "axis": null
                },
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                            "selection": "brush"
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                    },
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        }
    ],
    "$schema": "https://vega.github.io/schema/vega-lite/v4.json"
}