The rule to exclude findings based on a hotword. For record
inspection of tables, column names are considered hotwords. An
example of this is to exclude a finding if it belongs to a
BigQuery column that matches a specific pattern.
google.cloud.dlp_v2.types.CustomInfoType.DetectionRule.Proximity
Range of characters within which the entire
hotword must reside. The total length of the
window cannot exceed 1000 characters. The
windowBefore property in proximity should be set
to 1 if the hotword needs to be included in a
column header.