async deleteChannel(channelId) {
        return await this.client.pupPage.evaluate(async (channelId) => {
            const channel = await window.WWebJS.getChat(channelId, { getAsModel: false });
            if (!channel) return false;
            try {
                await window.Store.ChannelUtils.deleteNewsletterAction(channel);
                return true;
            } catch (err) {
                if (err.name === 'ServerStatusCodeError') return false;
                throw err;
            }
        }, channelId);
    }
Deletes the channel you created
@param {string} channelId The ID of a channel to delete
@returns {Promise<boolean>} Returns true if the operation completed successfully, false otherwise