$languageMapping = array(

	//"sys_language_uid" and "isolanguagecode" have to be unique in the array $languageMapping!
	sys_language_uid => isolanguagecode,

	//Example
	1 => 'de', //german
	11 => 'en', //english
	21 => 'it', //italian
	31 => 'fr', //french
);

$GLOBALS['TYPO3_CONF_VARS']['EXTENSIONS']['bgm_hreflang']['countryMapping'] = array(

	//"pageid" is the rootpage of a country branch. It has to be unique in the array $countryMapping!
	pageid => array(

		//"isocountrycode" has to be unique in the array $countryMapping!
		'countryCode' => isocountrycode,

		//'$languageMapping + array(0 => isolanguagecode)' can be assigned more than once with the same "isolanguagecode" in the array countryMapping.
		'languageMapping' => $languageMapping + array(0 => isolanguagecode),

		//This optional 'additionalGetParameters' can be assigned to every language of the current country
		'additionalGetParameters' => array(
			//"sys_language_uid" has to be unique in the array $additionalGetParameters!
			sys_language_uid => additionalGetParameters,

			//Example
			1 => '&foo=bar&john=doe', //append &foo=bar&john=doe to the link to sys_language 1 in this country
		),

		//This optional 'domainName' can be assigned, if you would like to prepend a certain domain name before your urls.
		//It overrides an automatically assigned domain from the typolink function.
		'domainName' => 'https://www.domain.tld',

		//This is optional. You need this, if you want the Germany country branch to be used as Austrian country branch, too.
		'additionalCountries' => array(isocountrycode, isocountrycode, ...),
	),

	//Example
	61 => array( //International
		'countryCode' => 'en',
		'languageMapping' => $languageMapping + array(0 => 'en'),
		'additionalGetParameters' => array(
			1 => '&foo=bar&john=doe',
		),
		'domainName' => 'https://www.my-domain.com',
	),
	111 => array( //Germany and Austria
		'countryCode' => 'de',
		'languageMapping' => $languageMapping + array(0 => 'de'),
		'additionalGetParameters' => array(
			0 => '&foo=0',
			1 => '&foo=1',
			31 => '&foo=31',
		),
		'additionalCountries' => array('at'),
		'domainName' => 'https://www.my-domain.de',
	),
	161 => array( //Switzerland
		'countryCode' => 'ch',
		'languageMapping' => $languageMapping + array(0 => 'de'),
		'domainName' => 'https://www.my-domain.it',
	),
	211 => array( //Italy
		'countryCode' => 'it',
		'languageMapping' => $languageMapping + array(0 => 'it'),
	),
);

//If $_GET['L']==0, pages in this tree are rendered with hreflang="x-default", else only the isolanguagecode is used (without the isocountrycode)
$GLOBALS['TYPO3_CONF_VARS']['EXTENSIONS']['bgm_hreflang']['defaultCountryId'] = 61;

//Cache is cleared in frontend for all related pages if no cache entry for the current page has been found.
//Here you can disable this behaviour, if you are sure the new DataHandler backend hook is enough cache clearing.
$GLOBALS['TYPO3_CONF_VARS']['EXTENSIONS']['bgm_hreflang']['feature']['clearCacheInFrontent'] = true;

page.headerData.30 = USER
page.headerData.30 {
	userFunc = BGM\BgmHreflang\Utility\HreflangTags->renderFrontendList
}

* 2015-05-26 [BUGFIX|FEATURE] Support for mountpoints
* 2015-05-26 [TASK] Update version number, update documentation, add changelog

* 2015-08-10 [BUGFIX] Small bug with language code, Thanks to Sergio Catalá for reporting this issue (https://forge.typo3.org/issues/68851)
* 2015-08-10 CachingFramework is initialized automatically. Function was removed since 7.2
* 2015-08-10 Raise TYPO3 Core dependency
* 2015-08-10 Add composer json to fix autoload problems

* 2015-08-31 [TASK] Add a signal to manipulate full tag list. Thanks to Sergio Catalá for reporting this issue (https://forge.typo3.org/issues/69122)
* 2015-08-31 [BUGFIX] Use hreflangAttributes from Signal
* 2015-08-31 [TASK] Initialize SignalSlot dispatcher in constructor
* 2015-08-31 [TASK] Update version number, update documentation, add changelog

* 2016-01-27 Cast cacheIdentifier to string because the cache backend can't handle integers
* 2016-02-29 Add links to GitHub in the documentation
* 2016-03-01 Cleanup documentation
* 2016-03-01 Update documentation
* 2016-05-03 Raise TYPO3 Core dependency
* 2016-05-03 [BUGFIX] Set default cache group
* 2016-05-03 Fix typo in changelog
* 2016-10-25 Update changelog
* 2016-10-25 Fix caching configuration
* 2016-10-25 Update dependency and version; Deploy to TER

* 2017-02-06 Fix composer.json for TYPO3 6.2
* 2017-02-06 Change minimal TYPO3 version to 6.2
* 2017-02-06 Update version and changelog; Deploy to TER
* 2017-02-06 Really change version number; Deploy to TER

* 2017-09-13 [BUGFIX] Fix hreflang tags to default language
* 2017-10-23 [TASK] Remove unnecessary code from composer.json
* 2017-10-23 [TASK] Set dependency in composer.json
* 2017-10-23 [TASK] Set version number to 2.0.5
* 2017-10-23 [TASK] New configuration "domainName"
* 2017-10-23 [TASK] Deploy to TER

* 2017-10-24 [BUGFIX] Check if domainName has a scheme
* 2017-10-30 [TASK] Check if configuration for page language exists
* 2017-11-07 [BUGFIX] Unset more mountpoint stuff before generating URLs
* 2017-11-28 [TASK] Show domainName in BE
* 2017-11-28 [TASK] Use Hook in RealUrl to set host depending on domainName
* 2017-11-28 [TASK] New option additionalGetParameters per country per lanugage
* 2017-11-29 [TASK] Activate TCA show_thumbs
* 2018-01-12 [TASK] Deploy to TER - Last Version for TYPO3 6.2 and 7.6!

* 2018-01-15 [TASK] Introduce Functional Tests
* 2018-01-15 [BUGFIX] Reset $this->getParameter for each link
* 2018-01-15 [TASK] Deploy to TER

* 2018-01-15 [TASK] Raise version number
* 2018-01-15 [TASK] No need to test TYPO3 8.7 in 7.6 branch
* 2018-03-11 [TASK] Remove composer.lock
* 2018-03-01 [TASK] Fix GitLab CI cache key

* 2018-01-12 [TASK] Raise version number
* 2018-01-12 [TASK] Update documentation
* 2018-01-15 [TASK] Introduce Functional Tests
* 2018-01-15 [BUGFIX] Reset $this->getParameter for each link
* 2018-03-01 [TASK] Remove composer.lock
* 2018-03-01 [TASK] Fix GitLab CI cache key
* 2018-03-21 [BREAKING] Drop TYPO3 7.6 support
* 2018-03-29 [TASK] add "validRelation" so we can control output in Signal/Slot backend_beforeRenderSingleHreflangAttribute and frontend_beforeRenderSingleTag

* 2019-04-01 [TASK] Raise version number
* 2019-04-01 [TASK] Test with TYPO3 8 (php7.0-7.2) and TYPO3 9 (php7.2)
* 2019-04-01 [TASK] Update nimut/testingframework for php7.2
* 2019-04-01 [BUGFIX] Reset current renderedListItem
* 2019-04-01 [BUGFIX] Don't create empty list items
* 2019-04-01 [BUGFIX] Fix testing for TYPO3 9
* 2019-04-01 [BUGFIX] Fix for removed pages_language_overlay (Core change #82445)
* 2019-04-01 [BUGFIX] Fix for removed column workspace_preview in be_users (Core change #???)
* 2019-04-01 [BUGFIX] Fix for TYPO3 9 TCA changes
* 2019-04-01 [BUGFIX] Switch to doctrine for TYPO3 9

* 2019-04-01 [TASK] Raise version number
* 2019-10-23 [TASK] Check for existing configuration to prevent PHP warning.
* 2019-10-23 New version 3.0.2.

* 2020-10-27 [TASK] Set dev version number
* 2020-10-27 [TASK] Hardcoded composer 1.10 because replace.bgm_hreflang would break
* 2020-10-27 [TASK] Allow TYPO3 v10
* 2020-10-27 [TASK] Update nimut/testing-framework for v10
* 2020-10-27 [TASK] Drop support for outdated TYPO3 versions
* 2021-01-04 [TASK] Ignore composer.lock file created during running tests
* 2021-01-04 [TASK] Add .ddev for development and running tests
* 2021-01-04 [TASK] Remove to enable composer 2
* 2021-01-04 [TASK] Cleanup before and after functional tests
* 2021-01-04 [TASK] Update composer.json for updated testing framework
* 2021-01-04 [TASK] Update tests for TYPO3 9 site configs and core routing features
* 2021-01-04 [BUGFIX] Use protocol from site config if it's not set through config 'domainName'
* 2021-01-04 [TASK] Reuse functional test fixtures for manual testing
* 2021-01-04 [TASK] Register custom TCA node renderType instead of userFunc
* 2021-01-04 [TASK] Hide fields on page translations
* 2021-01-04 [BUGFIX] TCA type none needs no database field
* 2021-01-04 [TASK] Test related pages, too
* 2021-01-04 [BUGFIX] FollowUp bc14e5d55: We need L=0 to get URLs from translations to related default language
* 2021-01-05 [TASK] Fix BreakingChange in v10: Remove sysPage and use RootlineUtility
* 2021-01-05 [TASK] Don't use $GLOBALS['TSFE'] for uri building so we don't need to manipulate it
* 2021-01-05 [TASK] Fix BreakingChange in v10: CachingFramework flush by tag
* 2021-01-05 [TASK] Code style with php-cs
* 2021-01-05 [TASK] Manual code style fixes
* 2021-01-05 [TASK] Update changelog
* 2021-01-06 [TASK] Update documentation
* 2021-01-06 [TASK] Release version 4.0.0

* 2021-01-06 [TASK] Set to development version
* 2021-01-07 [TASK] Ignore relations to deleted pages
* 2021-01-07 [BUGFIX] Catch rootline errors
* 2021-01-07 [TASK] Test translated default country branch prepares issue #9
* 2021-01-07 [TASK] Test default country without countryCode, f.e. if defaultCountry is "International" (no real country)
* 2021-01-07 [BUGFIX] Fix translated country branches with additional countries
* 2021-01-07 [TASK] Documentation how to deactivate EXT:seo's hreflang tags (thanks to https://github.com/ZYZ64738)
* 2021-01-21 [TASK] Release version 4.0.1

* 2021-01-21 [TASK] Fix dependency version constraint for TER upload
* 2021-01-21 [TASK] Release version 4.0.2

* 2021-11-16 [BUGFIX] Fix composer dependencies (Thanks to Christian Wolfram)
* 2021-12-17 [BUGFIX] Fix parameter order in implode function (Thanks to Christian Wolfram)
* 2022-06-02 [TASK] Update dev-dependency to cs-fixer (Thanks to Daniel Goerz)
* 2022-06-07 [TASK] Remove require_dev section from composer.json
* 2022-06-07 [TASK] #21 - Don't allow to add relations in MM_opposite_field

* 2022-06-21 [BUGFIX] Reuse cache entry on related pages (Thanks to Hannes Lau)
* 2022-06-22 [BUGFIX] Fix error in additionalCountries translation handling and simplify code
* 2022-06-22 [TASK] Clear cache after changes in the backend (Thanks to Hannes Lau)
* 2022-06-22 [TASK] Feature flag to disable cache clearing in frontend (Thanks to Hannes Lau)
* 2022-06-22 [TASK] Hint to deactivate EXT:seo hreflang generation (Thanks to Sergio Catalá)

* 2022-06-23 [TASK] Compatibility with TYPO3 11.4LTS