{
  "library" : {
    "annotation" : [ {
      "translatorOptions" : "",
      "type" : "CqlToElmInfo"
    } ],
    "identifier" : {
      "id" : "AgeAtMP",
      "version" : "1"
    },
    "schemaIdentifier" : {
      "id" : "urn:hl7-org:elm",
      "version" : "r1"
    },
    "usings" : {
      "def" : [ {
        "localIdentifier" : "System",
        "uri" : "urn:hl7-org:elm-types:r1"
      }, {
        "localIdentifier" : "Simple",
        "uri" : "https://github.com/cqframework/cql-execution/simple",
        "version" : "1.0.0"
      } ]
    },
    "parameters" : {
      "def" : [ {
        "name" : "MeasurementPeriod",
        "accessLevel" : "Public",
        "default" : {
          "lowClosed" : true,
          "highClosed" : false,
          "type" : "Interval",
          "low" : {
            "type" : "DateTime",
            "year" : {
              "valueType" : "{urn:hl7-org:elm-types:r1}Integer",
              "value" : "2013",
              "type" : "Literal"
            },
            "month" : {
              "valueType" : "{urn:hl7-org:elm-types:r1}Integer",
              "value" : "1",
              "type" : "Literal"
            },
            "day" : {
              "valueType" : "{urn:hl7-org:elm-types:r1}Integer",
              "value" : "1",
              "type" : "Literal"
            },
            "hour" : {
              "valueType" : "{urn:hl7-org:elm-types:r1}Integer",
              "value" : "0",
              "type" : "Literal"
            },
            "minute" : {
              "valueType" : "{urn:hl7-org:elm-types:r1}Integer",
              "value" : "0",
              "type" : "Literal"
            },
            "second" : {
              "valueType" : "{urn:hl7-org:elm-types:r1}Integer",
              "value" : "0",
              "type" : "Literal"
            },
            "millisecond" : {
              "valueType" : "{urn:hl7-org:elm-types:r1}Integer",
              "value" : "0",
              "type" : "Literal"
            }
          },
          "high" : {
            "type" : "DateTime",
            "year" : {
              "valueType" : "{urn:hl7-org:elm-types:r1}Integer",
              "value" : "2014",
              "type" : "Literal"
            },
            "month" : {
              "valueType" : "{urn:hl7-org:elm-types:r1}Integer",
              "value" : "1",
              "type" : "Literal"
            },
            "day" : {
              "valueType" : "{urn:hl7-org:elm-types:r1}Integer",
              "value" : "1",
              "type" : "Literal"
            },
            "hour" : {
              "valueType" : "{urn:hl7-org:elm-types:r1}Integer",
              "value" : "0",
              "type" : "Literal"
            },
            "minute" : {
              "valueType" : "{urn:hl7-org:elm-types:r1}Integer",
              "value" : "0",
              "type" : "Literal"
            },
            "second" : {
              "valueType" : "{urn:hl7-org:elm-types:r1}Integer",
              "value" : "0",
              "type" : "Literal"
            },
            "millisecond" : {
              "valueType" : "{urn:hl7-org:elm-types:r1}Integer",
              "value" : "0",
              "type" : "Literal"
            }
          }
        }
      } ]
    },
    "statements" : {
      "def" : [ {
        "name" : "Patient",
        "context" : "Patient",
        "expression" : {
          "type" : "SingletonFrom",
          "operand" : {
            "dataType" : "{https://github.com/cqframework/cql-execution/simple}Patient",
            "type" : "Retrieve"
          }
        }
      }, {
        "name" : "InDemographic",
        "context" : "Patient",
        "accessLevel" : "Public",
        "expression" : {
          "type" : "And",
          "operand" : [ {
            "type" : "GreaterOrEqual",
            "operand" : [ {
              "precision" : "Year",
              "type" : "CalculateAgeAt",
              "operand" : [ {
                "path" : "birthDate",
                "type" : "Property",
                "source" : {
                  "name" : "Patient",
                  "type" : "ExpressionRef"
                }
              }, {
                "type" : "Start",
                "operand" : {
                  "name" : "MeasurementPeriod",
                  "type" : "ParameterRef"
                }
              } ]
            }, {
              "valueType" : "{urn:hl7-org:elm-types:r1}Integer",
              "value" : "2",
              "type" : "Literal"
            } ]
          }, {
            "type" : "Less",
            "operand" : [ {
              "precision" : "Year",
              "type" : "CalculateAgeAt",
              "operand" : [ {
                "path" : "birthDate",
                "type" : "Property",
                "source" : {
                  "name" : "Patient",
                  "type" : "ExpressionRef"
                }
              }, {
                "type" : "Start",
                "operand" : {
                  "name" : "MeasurementPeriod",
                  "type" : "ParameterRef"
                }
              } ]
            }, {
              "valueType" : "{urn:hl7-org:elm-types:r1}Integer",
              "value" : "18",
              "type" : "Literal"
            } ]
          } ]
        }
      } ]
    }
  }
}