src/vs/editor/common/viewModel/viewModelLines.ts/ViewModelLinesFromModelAsIs/getViewLinesBracketGuides
class ViewModelLinesFromModelAsIs:	public getViewLinesBracketGuides(startLineNumber: number, endLineNumber: number, activePosition: IPosition | null): IndentGuide[][] {
		return new Array(endLineNumber - startLineNumber + 1).fill([]);
	}