def METHOD_NAME(self, forwarder):
    """
    Attached callback on unix proxy socket build.
    To distinct the remote methods to be buffered or not,
    a internal LIFO list, filled by Forwarder.append_cached_method()
    contains all the methods which will be buffered.
    Unlisted methods is forwarded immediatelly.
    @param forwarder: forwarding engine based on unix socket proxy
    @type forwarder: Forwarder
    """
    self.forwarder = forwarder
    self.forwarder.append_cached_method("completed_push")
    self.forwarder.append_cached_method("completed_pull")
    self.forwarder.append_cached_method("completed_quickaction")
    self.forwarder.append_cached_method("completed_exec")
    self.forwarder.append_cached_method("completed_delete")
    self.forwarder.append_cached_method("completed_inventory")
    self.forwarder.append_cached_method("completed_reboot")
    self.forwarder.append_cached_method("completed_halt")
    self.xmlrpc_proxy.register_forwarder(self.forwarder)
    d = task.deferLater(reactor,
                        self.config.proxy_buffer_start_delay,
                        self.start_emitting_buffer)
    d.addErrback(self._eb_got_forwarder)