{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "BillSummaryDocs",
  "type": "object",
  "properties": {
    "has_multiple_currency": {
      "type": "boolean"
    },
    "total_cost": {
      "type": "number",
      "format": "double"
    }
  },
  "required": [
    "has_multiple_currency",
    "total_cost"
  ]
}