src/vs/workbench/contrib/extensions/browser/extensionsActions.ts/ExtensionDropDownAction/constructor
class ExtensionDropDownAction:	constructor(
		id: string,
		label: string,
		cssClass: string,
		enabled: boolean,
		@IInstantiationService protected instantiationService: IInstantiationService
	) {
		super(id, label, cssClass, enabled);
	}