How to use the mitmproxy.command.command function in mitmproxy

    @command.command("console.nav.up")
    def nav_up(self) -> None:
        """
            Go up.
        """
        self.master.inject_key("up")

    @command.command("console.nav.next")
    def nav_next(self) -> None:
        """
            Go to the next navigatable item.
        """
        self.master.inject_key("m_next")

    @command.command("console.grideditor.insert")
    def grideditor_insert(self) -> None:
        """
            Insert a row before the cursor.
        """
        self._grideditor().cmd_insert()

    @command.command("console.grideditor.delete")
    def grideditor_delete(self) -> None:
        """
            Delete row
        """
        self._grideditor().cmd_delete()

    @command.command("console.key.bind")
    def key_bind(
        self,
        contexts: typing.Sequence[str],
        key: str,
        cmd: mitmproxy.types.Cmd,
        *args: mitmproxy.types.Arg
    ) -> None:
        """
            Bind a shortcut key.
        """
        try:
            self.master.keymap.add(
                key,
                cmd + " " + " ".join(args),
                contexts,
                ""

    @command.command("view.focus.prev")
    def focus_prev(self) -> None:
        """
            Set focus to the previous flow.
        """
        if self.focus.index is not None:
            idx = self.focus.index - 1
            if self.inbounds(idx):
                self.focus.flow = self[idx]
        else:
            pass

    @command.command("script.run")
    def script_run(self, flows: typing.Sequence[flow.Flow], path: mtypes.Path) -> None:
        """
            Run a script on the specified flows. The script is configured with
            the current options and all lifecycle events for each flow are
            simulated. Note that the load event is not invoked.
        """
        if not os.path.isfile(path):
            ctx.log.error('No such script: %s' % path)
            return
        mod = load_script(path)
        if mod:
            with addonmanager.safecall():
                ctx.master.addons.invoke_addon(mod, "running")
                ctx.master.addons.invoke_addon(
                    mod,
                    "configure",

    @command.command("view.settings.setval")
    def setvalue(
        self,
        flows: typing.Sequence[mitmproxy.flow.Flow],
        key: str, value: str
    ) -> None:
        """
            Set a value in the settings store for the specified flows.
        """
        updated = []
        for f in flows:
            self.settings[f][key] = value
            updated.append(f)
        ctx.master.addons.trigger("update", updated)

    @command.command("replay.server.stop")
    def clear(self) -> None:
        """
            Stop server replay.
        """
        self.flowmap = {}
        ctx.master.addons.trigger("update", [])

    @command.command("flow.encode.options")
    def encode_options(self) -> typing.Sequence[str]:
        """
            The possible values for an encoding specification.
        """
        return ["gzip", "deflate", "br", "zstd"]