Change import to use avro generated ExtractionStep
Update #getReader, #getWriter to use avro generated ExtractionStep to
create schemas
Change import to use avro generated ExtractionStep
Remove ExtractionStep enum declaration from class
Change import to use avro generated ExtractionStep
Change import to use avro generated ExtractionStep
Change import to use avro generated ExtractionStep
Change import to use avro generated ExtractionStep
Change import to use avro generated ExtractionStep
Change import to use avro generated ExtractionStep
Change import to use avro generated ExtractionStep
Change import to use avro generated ExtractionStep
Change import to use avro generated ExtractionStep
Change import to use avro generated ExtractionStep
Change import to use avro generated ExtractionStep
Change import to use avro generated ExtractionStep
Change import to use avro generated ExtractionStep
Change import to use avro generated ExtractionStep
Change import to use avro generated ExtractionStep
Change import to use avro generated ExtractionStep
Change import to use avro generated ExtractionStep