/// <summary>
/// Add an access right to the user type,
/// for a given application element.
/// </summary>
/// <param name="userType">
/// User type for which an access right is added.
/// </param>
/// <param name="itemName">
/// Identifier for application element for which
/// access rights are specified.
/// </param>
/// <param name="accessType">
/// Access type to specific application element.
/// </param>
public void AddUserAccessRight(string userType, string itemName, AccessType accessType)
{
_userTypes.AddAccessRight(userType, itemName, accessType);
}