DefaultJdbcStreamStateValue
data class DefaultJdbcStreamStateValue(val primaryKey: Map<String, JsonNode> = mapOf(), val cursors: Map<String, JsonNode> = mapOf())
DefaultJdbcStreamStateValue is used by DefaultJdbcPartitionFactory for deserializing an OpaqueStateValue into a DefaultJdbcPartition. The latter is able to, in turn, serialize a partition boundary into an OpaqueStateValue with DefaultJdbcStreamStateValue.