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