in java/avro-converter/src/main/java/com/microsoft/azure/schemaregistry/kafka/connect/avro/AvroConverterUtils.java [69:72]
static {
NON_AVRO_TYPES_BY_TYPE_CODE.put(CONNECT_TYPE_INT8, Schema.Type.INT8);
NON_AVRO_TYPES_BY_TYPE_CODE.put(CONNECT_TYPE_INT16, Schema.Type.INT16);
}