https://docs.cloud.google.com/java/docs/reference/google-cloud-bigquerydatapolicy/latest/com.google.cloud.bigquery.datapolicies.v1.DataMaskingPolicy.MaskingExpressionCase
Enum DataMaskingPolicy.MaskingExpressionCase (0.88.0) | Java client libraries | Google Cloud...
java clientenumlibrariesgooglecloud