The following methods are soft deprecated and should not be used any more.
* [] getBoolOption()
** [] mediawiki/core
** [x] mediawiki/extensions/GrowthExperiments
** [x] mediawiki/extensions/SocialProfile
** [x] mediawiki/extensions/Popups
** [x] mediawiki/extensions/TwoColConflict
** [x] mediawiki/extensions/AdvancedSearch
** [x] mediawiki/extensions/CentralAuth
** [] mediawiki/extensions/ORES
** [x] mediawiki/extensions/BlueSpiceFlaggedRevsConnector
** [x] mediawiki/extensions/ContactPage
** [] mediawiki/extensions/ContentTranslation
** [x] mediawiki/extensions/CookieWarning
** [x] mediawiki/extensions/FlaggedRevs
** [] mediawiki/extensions/ForcePreview
** [x] mediawiki/extensions/GPGMail
** [x] mediawiki/extensions/ProofreadPage
** [x] mediawiki/extensions/UniversalLanguageSelector
** [x] mediawiki/skins/MinervaNeue
** [x] mediawiki/skins/Timeless
* [x] getIntOption()
** [x] mediawiki/core
** [x] mediawiki/extensions/SocialProfile
** [x] mediawiki/extensions/Challenge
** [x] mediawiki/extensions/EventLogging
** [x] mediawiki/extensions/Flow
* [] setOption() (see T277818)
* [x] getOptionKinds()
** [x] mediawiki/core
** [x] mediawiki/extensions/GlobalPreferences
** [x] mediawiki/extensions/CodeMirror
* [x] listOptionKinds()
** [x] mediawiki/core
** [x] mediawiki/extensions/GlobalPreferences
* [x] resetOptions()
** [x] mediawiki/core
** [x] mediawiki/extensions/EditUser