message: Fixing additionalProperties in GraphRBAC
diff: "readOnly": true
  }
  },
  + "additionalProperties": {
  + "type": "object"
  + },
  "description": "Represents an Azure Active Directory object."
  },
  "KeyCredential": {
  "description": "Whether to allow implicit grant flow for OAuth2"
  }
  },
  - "additionalProperties": {
  - "type": "object"
  - },
  "description": "Active Directory application information."
  },
  "ApplicationListResult": {
  "description": "The primary email address of the group."
  }
  },
  - "additionalProperties": {
  - "type": "object"
  - },
  "x-ms-discriminator-value": "Group",
  "description": "Active Directory group information."
  },
  "description": "A collection of service principal names."
  }
  },
  - "additionalProperties": {
  - "type": "object"
  - },
  "description": "Active Directory service principal information."
  },
  "ServicePrincipalListResult": {
  "description": "The primary email address of the user."
  }
  },
  - "additionalProperties": {
  - "type": "object"
  - },
  "required": [
  "accountEnabled",
  "displayName",
  "description": "The mail alias for the user."
  }
  },
  - "additionalProperties": {
  - "type": "object"
  - },
  "description": "Request parameters for updating an existing work or school account user."
  },
  "User": {
  "description": "The sign-in names of the user."
  }
  },
  - "additionalProperties": {
  - "type": "object"
  - },
  "description": "Active Directory user information."
  },
  "SignInName": {
  