presto-main/src/main/java/io/prestosql/operator/HashCollisionsInfo.java/HashCollisionsInfo/HashCollisionsInfo
class HashCollisionsInfo:    @JsonCreator
    public HashCollisionsInfo(
            @JsonProperty(WEIGHTED_HASH_COLLISIONS_PROPERTY) double weightedHashCollisions,
            @JsonProperty(WEIGHTED_SUM_SQUARED_HASH_COLLISIONS) double weightedSumSquaredHashCollisions,
            @JsonProperty(WEIGHTED_EXPECTED_HASH_COLLISIONS) double weightedExpectedHashCollisions)
    {
        this.weightedHashCollisions = weightedHashCollisions;
        this.weightedSumSquaredHashCollisions = weightedSumSquaredHashCollisions;
        this.weightedExpectedHashCollisions = weightedExpectedHashCollisions;
    }