List<Integer> integerArray = Arrays.asList(1, 2, 3);
GenericData.Array<Integer> genericIntegerArray = new GenericData.Array<Integer>(
Schema.createArray(Schema.create(Schema.Type.INT)), integerArray);
GenericFixed genericFixed = new GenericData.Fixed(
Schema.createFixed("fixed", null, null, 1), new byte[] { (byte) 65 });
List<Integer> emptyArray = new ArrayList<Integer>();
ImmutableMap emptyMap = new ImmutableMap.Builder<String, Integer>().build();