async requestPairingCode(phoneNumber, showNotification = true) {
        return await this.pupPage.evaluate(async (phoneNumber, showNotification) => {
            window.AuthStore.PairingCodeLinkUtils.setPairingType('ALT_DEVICE_LINKING');
            await window.AuthStore.PairingCodeLinkUtils.initializeAltDeviceLinking();
            return window.AuthStore.PairingCodeLinkUtils.startAltLinkingFlow(phoneNumber, showNotification);
        }, phoneNumber, showNotification);
    }
Request authentication via pairing code instead of QR code
@param {string} phoneNumber - Phone number in international, symbol-free format (e.g. 12025550108 for US, 551155501234 for Brazil)
@param {boolean} showNotification - Show notification to pair on phone number
@returns {Promise<string>} - Returns a pairing code in format "ABCDEFGH"