{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "ItemCollectionMetrics",
  "type": "object",
  "properties": {
    "ItemCollectionKey": {
      "type": "object",
      "description": "The partition key value of the item collection"
    },
    "SizeEstimateRangeGB": {
      "type": "array",
      "description": "An estimate of item collection size in gigabytes"
    }
  }
}