void (@NotNull MetaLanguage metaLanguage, @NotNull PluginDescriptor pluginDescriptor) { if (MetaLanguage.this == metaLanguage) { for (Language matchingLanguage : metaLanguage.getMatchingLanguages()) { LanguageUtil.clearMatchingMetaLanguagesCache(matchingLanguage); } metaLanguage.unregisterLanguage(pluginDescriptor); } }