How to use the androidtv.firetv.firetv_sync.FireTVSync function in androidtv

def test_setup(self):
        """Test that the ``setup`` function works correctly.
        """
        with self.assertRaises(ValueError):
            setup('HOST', 5555, device_class='INVALID')

        with patchers.PATCH_ADB_DEVICE_TCP, patchers.patch_connect(True)[self.PATCH_KEY], patchers.patch_shell(DEVICE_PROPERTIES_OUTPUT1)[self.PATCH_KEY]:
            ftv = setup('HOST', 5555)
            self.assertIsInstance(ftv, FireTVSync)
            self.assertDictEqual(ftv.device_properties, DEVICE_PROPERTIES_DICT1)

        with patchers.PATCH_ADB_DEVICE_TCP, patchers.patch_connect(True)[self.PATCH_KEY], patchers.patch_shell(DEVICE_PROPERTIES_OUTPUT2)[self.PATCH_KEY]:
            atv = setup('HOST', 5555)
            self.assertIsInstance(atv, AndroidTVSync)
            self.assertDictEqual(atv.device_properties, DEVICE_PROPERTIES_DICT2)

        with patchers.PATCH_ADB_DEVICE_TCP, patchers.patch_connect(True)[self.PATCH_KEY], patchers.patch_shell(DEVICE_PROPERTIES_OUTPUT1)[self.PATCH_KEY]:
            ftv = setup('HOST', 5555, device_class='androidtv')
            self.assertIsInstance(ftv, AndroidTVSync)
            self.assertDictEqual(ftv.device_properties, DEVICE_PROPERTIES_DICT1)

        with patchers.PATCH_ADB_DEVICE_TCP, patchers.patch_connect(True)[self.PATCH_KEY], patchers.patch_shell(DEVICE_PROPERTIES_OUTPUT2)[self.PATCH_KEY]:
            atv = setup('HOST', 5555, device_class='firetv')
            self.assertIsInstance(atv, FireTVSync)
            self.assertDictEqual(atv.device_properties, DEVICE_PROPERTIES_DICT2)

def setUp(self):
        with patchers.patch_connect(True)[self.PATCH_KEY], patchers.patch_shell('')[self.PATCH_KEY]:
            self.ftv = FireTVSync('HOST', 5555, adb_server_ip='ADB_SERVER_PORT')
            self.ftv.adb_connect()

self.assertIsInstance(ftv, FireTVSync)
            self.assertDictEqual(ftv.device_properties, DEVICE_PROPERTIES_DICT1)

        with patchers.PATCH_ADB_DEVICE_TCP, patchers.patch_connect(True)[self.PATCH_KEY], patchers.patch_shell(DEVICE_PROPERTIES_OUTPUT2)[self.PATCH_KEY]:
            atv = setup('HOST', 5555)
            self.assertIsInstance(atv, AndroidTVSync)
            self.assertDictEqual(atv.device_properties, DEVICE_PROPERTIES_DICT2)

        with patchers.PATCH_ADB_DEVICE_TCP, patchers.patch_connect(True)[self.PATCH_KEY], patchers.patch_shell(DEVICE_PROPERTIES_OUTPUT1)[self.PATCH_KEY]:
            ftv = setup('HOST', 5555, device_class='androidtv')
            self.assertIsInstance(ftv, AndroidTVSync)
            self.assertDictEqual(ftv.device_properties, DEVICE_PROPERTIES_DICT1)

        with patchers.PATCH_ADB_DEVICE_TCP, patchers.patch_connect(True)[self.PATCH_KEY], patchers.patch_shell(DEVICE_PROPERTIES_OUTPUT2)[self.PATCH_KEY]:
            atv = setup('HOST', 5555, device_class='firetv')
            self.assertIsInstance(atv, FireTVSync)
            self.assertDictEqual(atv.device_properties, DEVICE_PROPERTIES_DICT2)

def setUp(self):
        with patchers.PATCH_ADB_DEVICE_TCP, patchers.patch_connect(True)[self.PATCH_KEY], patchers.patch_shell('')[self.PATCH_KEY]:
            self.ftv = FireTVSync('HOST', 5555)
            self.ftv.adb_connect()

The signer for the ADB keys, as loaded by :meth:`androidtv.adb_manager.adb_manager_sync.ADBPythonSync.load_adbkey`

    Returns
    -------
    AndroidTVSync, FireTVSync
        The representation of the device

    """
    if device_class == 'androidtv':
        atv = AndroidTVSync(host, port, adbkey, adb_server_ip, adb_server_port, state_detection_rules, signer)
        atv.adb_connect(auth_timeout_s=auth_timeout_s)
        atv.device_properties = atv.get_device_properties()
        return atv

    if device_class == 'firetv':
        ftv = FireTVSync(host, port, adbkey, adb_server_ip, adb_server_port, state_detection_rules, signer)
        ftv.adb_connect(auth_timeout_s=auth_timeout_s)
        ftv.device_properties = ftv.get_device_properties()
        return ftv

    if device_class != 'auto':
        raise ValueError("`device_class` must be 'androidtv', 'firetv', or 'auto'.")

    aftv = BaseTVSync(host, port, adbkey, adb_server_ip, adb_server_port, state_detection_rules, signer)

    # establish the ADB connection
    aftv.adb_connect(auth_timeout_s=auth_timeout_s)

    # get device properties
    aftv.device_properties = aftv.get_device_properties()

    # Fire TV

return ftv

    if device_class != 'auto':
        raise ValueError("`device_class` must be 'androidtv', 'firetv', or 'auto'.")

    aftv = BaseTVSync(host, port, adbkey, adb_server_ip, adb_server_port, state_detection_rules, signer)

    # establish the ADB connection
    aftv.adb_connect(auth_timeout_s=auth_timeout_s)

    # get device properties
    aftv.device_properties = aftv.get_device_properties()

    # Fire TV
    if aftv.device_properties.get('manufacturer') == 'Amazon':
        aftv.__class__ = FireTVSync

    # Android TV
    else:
        aftv.__class__ = AndroidTVSync

    return aftv