lang/java/tools/src/test/compiler/input/optionalgettersnullablefieldstest.avsc

{"type":"record", "name":"OptionalGettersNullableFieldsTest", "namespace": "avro.examples.baseball","doc":"Test that optional getters are created only for nullable fields",
  "fields": [
    {"name": "name", "type": "string"},
    {"name": "nullable_name",  "type": ["string", "null"]},
    {"name": "favorite_number",  "type": ["int"]},
    {"name": "nullable_favorite_number", "type": ["int", "null"]},
    {"name": "nullable_array", "type": [{ "type": "array",  "items": "string" }, "null"]}
  ]
}