rides-and-fares/src/main/java/org/apache/flink/training/exercises/ridesandfares/RidesAndFaresExercise.java [50:56]:
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            SourceFunction<TaxiRide> rideSource,
            SourceFunction<TaxiFare> fareSource,
            SinkFunction<RideAndFare> sink) {

        this.rideSource = rideSource;
        this.fareSource = fareSource;
        this.sink = sink;
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rides-and-fares/src/solution/java/org/apache/flink/training/solutions/ridesandfares/RidesAndFaresSolution.java [51:57]:
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            SourceFunction<TaxiRide> rideSource,
            SourceFunction<TaxiFare> fareSource,
            SinkFunction<RideAndFare> sink) {

        this.rideSource = rideSource;
        this.fareSource = fareSource;
        this.sink = sink;
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