message: [Swagger Change] Add readBehavior property to Salesforce Source
diff: "query": {
  "type": "object",
  "description": "Database query. Type: string (or Expression with resultType string)."
  + },
  + "readBehavior": {
  + "description": "The read behavior for the operation. Default is Query.",
  + "type": "string",
  + "enum": [
  + "Query",
  + "QueryAll"
  + ],
  + "x-ms-enum": {
  + "name": "SalesforceSourceReadBehavior",
  + "modelAsString": true
  + }
  }
  }
  },
  