for example https://github.com/sparkutils/quality/blob/0fd4c53a13e985b8ae5097f09f5d128bafe11409/src/main/scala/com/sparkutils/quality/impl/mapLookup/MapLookupExpression.scala#L50 but also https://github.com/sparkutils/quality/blob/8e583e99fd75d65e7b5f05c3c8a1d054fb7834a7/src/main/scala/org/apache/spark/sql/qualityFunctions/Transformers.scala#L56 which is correct.