/// <summary>
/// Internal method to call Logout
/// </summary>
/// <returns>
/// The <see cref="Task"/>, which completes when the server returns the result of the method
/// </returns>
internal async Task CallLogoutMethod()
{
await this.Call("logout");
this.UserSession = null;
}
/// <summary>
/// Internal method for calling login methods. This will call the given server method,
/// then set the UserSession
/// </summary>
/// <param name="methodName">
/// The login method name.
/// </param>
/// <param name="parameters">
/// The parameters to invoke the method with.
/// </param>
/// <returns>
/// The <see cref="Task"/>, which completes when the server returns the result of the method.
/// </returns>
internal async Task CallLoginMethod(string methodName, params object[] parameters)
{
var loginResult = await this.Call<UserSession>(methodName, parameters);
this.UserSession = loginResult;
}