babel/packages/babel-parser/test/expressions/esprima/expression-relational/migrated_0004/output.json

{
  "type": "BinaryExpression",
  "start":0,"end":6,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":6}},
  "left": {
    "type": "Identifier",
    "start":0,"end":1,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":1},"identifierName":"x"},
    "name": "x"
  },
  "operator": "in",
  "right": {
    "type": "Identifier",
    "start":5,"end":6,"loc":{"start":{"line":1,"column":5},"end":{"line":1,"column":6},"identifierName":"y"},
    "name": "y"
  }
}