kangarooDataCenterV3/fw-nifi/target/classes/test/java/spec.json

[
  {
    "operation": "shift",
    "spec": {
      "a": {
        "id": "id",
        "name": "name"
      },
      "b": {
        "*": {
          "id": {
            "@(2,a.id)": {
              "@2": {
                "value": "matchedB.value",
                "#B": "matchedB.source"
              }
            }
          }
        }
      },
      "c": {
        "*": {
          "id": {
            "@(2,a.id)": {
              "@2": {
                "value": "matchedC.value",
                "#C": "matchedC.source"
              }
            }
          }
        }
      }
    }
  }
]