org.apache.kafka.connect.transforms.predicates.HasHeaderKey
A predicate which is true for records with at least one header with the configured name.

org.apache.kafka.connect.transforms.predicates.RecordIsTombstone
A predicate which is true for records which are tombstones (i.e. have null value).

org.apache.kafka.connect.transforms.predicates.TopicNameMatches
A predicate which is true for records with a topic name that matches the configured regular expression.