test/org/apache/pig/builtin/avro/schema/testDirectoryCounts.avsc

{
  "type" : "record",
  "name" : "stats",
  "namespace" : "org.apache.pig.test.builtin",
  "fields" : [ {
    "name" : "itemSum",
    "type" : [ "null", "int" ]
  }, {
    "name" : "n",
    "type" : [ "null", "int" ]
  } ]
}