How to use the xcffib.CurrentTime function in xcffib

def query_crtcs(self, root):
        crtc_list = []
        for crtc in self.ext.GetScreenResources(root).reply().crtcs:
            crtc_info = self.ext.GetCrtcInfo(crtc, xcffib.CurrentTime).reply()
            crtc_dict = {
                "x": crtc_info.x,
                "y": crtc_info.y,
                "width": crtc_info.width,
                "height": crtc_info.height,
            }
            crtc_list.append(crtc_dict)
        return crtc_list

def finalize(self):
        base._Widget.finalize(self)
        atoms = self.qtile.conn.atoms
        self.qtile.conn.conn.core.SetSelectionOwner(
            0,
            atoms['_NET_SYSTEM_TRAY_S{:d}'.format(self.screen)],
            xcffib.CurrentTime,
        )
        self.hide()

win = qtile.conn.create_window(-1, -1, 1, 1)
        window._Window.__init__(self, xcbq.Window(qtile.conn, win.wid), qtile)
        qtile.windows_map[win.wid] = self

        # Even when we have multiple "Screen"s, we are setting up as the system
        # tray on a particular X display, that is the screen we need to
        # reference in the atom
        if qtile.current_screen:
            self.screen = qtile.current_screen.index
        self.bar = bar
        atoms = qtile.conn.atoms

        qtile.conn.conn.core.SetSelectionOwner(
            win.wid,
            atoms['_NET_SYSTEM_TRAY_S{:d}'.format(self.screen)],
            xcffib.CurrentTime
        )
        data = [
            xcffib.CurrentTime,
            atoms['_NET_SYSTEM_TRAY_S{:d}'.format(self.screen)],
            win.wid, 0, 0
        ]
        union = ClientMessageData.synthetic(data, "I" * 5)
        event = ClientMessageEvent.synthetic(
            format=32,
            window=qtile.root.wid,
            type=atoms['MANAGER'],
            data=union
        )
        qtile.root.send_event(event, mask=EventMask.StructureNotify)

def convert_selection(self, selection_atom, _type="UTF8_STRING") -> None:
        type_atom = self.conn.atoms[_type]
        self.conn.conn.core.ConvertSelection(
            self._selection_window.wid,
            selection_atom,
            type_atom,
            selection_atom,
            xcffib.CurrentTime,
        )