src/vs/workbench/browser/parts/editor/editorStatus.ts/ShowLanguageExtensionsAction/constructor
class ShowLanguageExtensionsAction:	constructor(
		private fileExtension: string,
		@ICommandService private readonly commandService: ICommandService,
		@IExtensionGalleryService galleryService: IExtensionGalleryService
	) {
		super(ShowLanguageExtensionsAction.ID, localize('showLanguageExtensions', "Search Marketplace Extensions for '{0}'...", fileExtension));

		this.enabled = galleryService.isEnabled();
	}