message: adding summary field
diff: }
  }
  },
  + "SummaryItem": {
  + "description": "Summary item.",
  + "type": "object",
  + "properties": {
  + "count": {
  + "format": "int32",
  + "description": "Gets the count.",
  + "type": "integer"
  + },
  + "item": {
  + "description": "Gets the item.",
  + "type": "string"
  + }
  + }
  + },
  "MoveCollectionProperties": {
  "description": "Defines the move collection properties.",
  "type": "object",
  "nextLink": {
  "description": "Gets the value of next link.",
  "type": "string"
  + },
  + "summary": {
  + "description": "Gets or the list of summary items.",
  + "type": "array",
  + "items": {
  + "$ref": "#/definitions/SummaryItem"
  + }
  }
  }
  },
  