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); }