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{
"description": "A simple bar chart with embedded data.",
"layer": [
{
"data": {
"name": "myData"
},
"encoding": {
"x": {
"field": "a",
"type": "ordinal"
},
"y": {
"field": "b",
"type": "quantitative"
}
},
"mark": "bar"
}
]
}