public void send_list_roles(string principal_name, PrincipalType principal_type)
{
oprot_.WriteMessageBegin(new TMessage("list_roles", TMessageType.Call, seqid_));
list_roles_args args = new list_roles_args();
args.Principal_name = principal_name;
args.Principal_type = principal_type;
args.Write(oprot_);
oprot_.WriteMessageEnd();
oprot_.Transport.Flush();
}