library/src/test/resources/adsGenericEventSchemaNoEnums.json

{"keys":[{"name":"publisher","type":"string"},
         {"name":"advertiser","type":"string"},
         {"name":"location","type":"string"}],
 "timeBuckets":["1m","1h","1d"],
 "values":
  [{"name":"impressions","type":"long","aggregators":["SUM"]},
   {"name":"clicks","type":"long","aggregators":["SUM"]},
   {"name":"cost","type":"double","aggregators":["SUM"]},
   {"name":"revenue","type":"double","aggregators":["SUM"]}],
 "dimensions":
  [{"combination":[]},
   {"combination":["location"]},
   {"combination":["advertiser"]},
   {"combination":["publisher"]},
   {"combination":["advertiser","location"]},
   {"combination":["publisher","location"]},
   {"combination":["publisher","advertiser"]},
   {"combination":["publisher","advertiser","location"]}]
}