}
EventSerializer.Builder builder = new AvroEventSerializer.Builder();
EventSerializer serializer = builder.build(ctx, out);
serializer.afterCreate();
for (int i = 0; i < 3; i++) {
GenericRecord record = recordBuilder.set("message", "Hello " + i).build();
Event event = EventBuilder.withBody(serializeAvro(record, schema));
if (schemaFile == null) {
event.getHeaders().put(AvroEventSerializer.AVRO_SCHEMA_LITERAL_HEADER,