Swift Google Drive: List a File's Permissions

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List the permissions for a file by file id. (In this example the file id = 1R_70heIyzIAu1_u0prXbYcaIiJRVkgBl)

Documentation: https://developers.google.com/drive/v3/reference/permissions/list

func chilkatTest() {
    let rest = CkoRest()
    var success: Bool

    //   Provide a previously obtained OAuth2 access token.
    let oauth2 = CkoOAuth2()
    oauth2.AccessToken = "OAUTH2_ACCESS_TOKEN"
    rest.SetAuthOAuth2(oauth2)

    success = rest.Connect("www.googleapis.com", port: 443, tls: true, autoReconnect: true)
    if success != true {
        print("\(rest.LastErrorText)")
        return
    }

    rest.AddQueryParam("includeTeamDriveItems", value: "true")
    rest.AddQueryParam("supportsTeamDrives", value: "true")

    let sbJson = CkoStringBuilder()
    success = rest.FullRequestNoBodySb("GET", uriPath: "/drive/v3/files/1R_70heIyzIAu1_u0prXbYcaIiJRVkgBl/permissions", sb: sbJson)
    if success != true {
        print("\(rest.LastErrorText)")
        return
    }

    if rest.ResponseStatusCode.integerValue != 200 {
        print("Received error response code: \(rest.ResponseStatusCode.integerValue)")
        print("Response body:")
        print("\(sbJson.GetAsString())")
        return
    }

    let json = CkoJsonObject()
    json.LoadSb(sbJson)

    //  The following code parses the JSON response.
    //  A sample JSON response is shown below the sample code.
    var kind: String?
    var i: Int
    var count_i: Int
    var id: String?
    var type: String?
    var role: String?
    var allowFileDiscovery: Bool

    kind = json.StringOf("kind")
    i = 0
    count_i = json.SizeOfArray("permissions").integerValue
    while i < count_i {
        json.I = i
        kind = json.StringOf("permissions[i].kind")
        id = json.StringOf("permissions[i].id")
        type = json.StringOf("permissions[i].type")
        role = json.StringOf("permissions[i].role")
        allowFileDiscovery = json.BoolOf("permissions[i].allowFileDiscovery")
        i = i + 1
    }

    print("Example Completed.")

}

Sample JSON Response Body

{
  "kind": "drive#permissionList",
  "permissions": [
    {
      "kind": "drive#permission",
      "id": "07604395918166943595k",
      "type": "domain",
      "role": "reader",
      "allowFileDiscovery": false
    },
    {
      "kind": "drive#permission",
      "id": "05909037819814716957",
      "type": "user",
      "role": "organizer"
    },
    {
      "kind": "drive#permission",
      "id": "13254573739200948291",
      "type": "user",
      "role": "organizer"
    }
  ]
}