src/vs/editor/contrib/hover/browser/markdownHoverParticipant.ts/MarkdownHoverParticipant/constructor
class MarkdownHoverParticipant:	constructor(
		protected readonly _editor: ICodeEditor,
		@ILanguageService private readonly _languageService: ILanguageService,
		@IOpenerService private readonly _openerService: IOpenerService,
		@IConfigurationService private readonly _configurationService: IConfigurationService,
		@ILanguageFeaturesService protected readonly _languageFeaturesService: ILanguageFeaturesService,
	) { }