lang/java/integration-test/codegen-test/src/test/resources/avro/nested_logical_types_map.avsc

{"namespace": "org.apache.avro.codegentest.testdata",
  "type": "record",
  "name": "NestedLogicalTypesMap",
  "doc" : "Test nested types with logical types in generated Java classes",
  "fields": [
    {
      "name": "mapOfRecords",
      "type": {
        "type": "map",
        "values": {
          "namespace": "org.apache.avro.codegentest.testdata",
          "name": "RecordInMap",
          "type": "record",
          "fields": [
            {
              "name": "nullableDateField",
              "type": ["null", {"type": "int", "logicalType": "date"}]
            }
          ]
        }
      }
    }]
}