class Bot(bridge.Bot):
    def __init__(self):
        intents = discord.Intents.all()
        intents.presences = False
        super().__init__(
            intents=intents,
            command_prefix="::",
            case_insensitive=True,
            enable_debug_events=True,
            strip_after_prefix=True,
            description="something...",
            help_command=commands.DefaultHelpCommand()
        )

bot = Bot()
bot.load_extension("jishaku")

class Test(commands.Cog):
    @bridge.bridge_group(invoke_without_command=False)
    async def layer(self, ctx):
        await ctx.respond("hello!!!")

    @layer.command(invoke_without_command=False)
    async def one(self, ctx):
        await ctx.respond("All systems green")

bot.add_cog(Test())