public void RemoveUsersFromRoles(string tenantName, string[] usernames, string[] roleNames)
{
if (string.IsNullOrEmpty(tenantName))
{
throw new ArgumentNullException("tenantName");
}
if (usernames == null || usernames.Length == 0)
{
throw new ArgumentNullException("usernames");
}
if (roleNames == null || roleNames.Length == 0)
{
throw new ArgumentNullException("roleNames");
}
AuthorizationLogic.RemoveUsersFromRoles(tenantName, usernames, roleNames);
}