/// <summary>
/// Remove authorizations
/// </summary>
/// <param name="authorizationsId">User authorizations id</param>
/// <returns></returns>
public void RemoveAuthorizations(IEnumerable <int> authorizationsId)
{
if (Root)
{
throw new ForbiddenOperationDomainException("Root user");
}
Authorizations.RemoveAll(userAuth => authorizationsId.Contains(userAuth.DefAuthorizationId));
}
