src/vs/editor/contrib/indentation/browser/indentation.ts/IndentUsingTabs/constructor
class IndentUsingTabs:	constructor() {
		super(false, {
			id: IndentUsingTabs.ID,
			label: nls.localize('indentUsingTabs', "Indent Using Tabs"),
			alias: 'Indent Using Tabs',
			precondition: undefined
		});
	}