Abris #159 add developer api annotations

src/main/scala/org/apache/spark/sql/avro/AbrisAvroDeserializer.scala

@@ -19,13 +19,15 @@ package org.apache.spark.sql.avro
 
 import org.apache.avro.Schema
 import org.apache.spark.sql.types.DataType
+import za.co.absa.commons.annotation.DeveloperApi
 
 import scala.util.Try
 
 /**
  * Compatibility layer handling different versions of AvroDeserializer
  * the package also allows to access package private class
  */
+@DeveloperApi
 class AbrisAvroDeserializer(rootAvroType: Schema, rootCatalystType: DataType) {
 
   private val deserializer = {

src/main/scala/org/apache/spark/sql/avro/AbrisAvroSerializer.scala

@@ -19,10 +19,12 @@ package org.apache.spark.sql.avro
 
 import org.apache.avro.Schema
 import org.apache.spark.sql.types.DataType
+import za.co.absa.commons.annotation.DeveloperApi
 
 /**
  * Simple wrapper to access spark package private class
  */
+@DeveloperApi
 class AbrisAvroSerializer(rootCatalystType: DataType, rootAvroType: Schema, nullable: Boolean) {
 
   private val serializer: AvroSerializer = new AvroSerializer(rootCatalystType, rootAvroType, nullable)

src/main/scala/za/co/absa/abris/avro/read/confluent/SchemaManager.scala

@@ -128,8 +128,3 @@ class SchemaManager(schemaRegistryClient: AbrisRegistryClient) extends Logging {
     maybeSchemaId.getOrElse(register(subject, schema))
   }
 }
-
-@deprecated("This Exception is not used and might be removed in next major release.")
-class SchemaManagerException(msg: String, throwable: Throwable) extends RuntimeException(msg, throwable) {
-  def this(msg: String) = this(msg, null)
-}