src/vs/editor/browser/viewParts/linesDecorations/linesDecorations.ts/LinesDecorationsOverlay/onConfigurationChanged
class LinesDecorationsOverlay:	public override onConfigurationChanged(e: viewEvents.ViewConfigurationChangedEvent): boolean {
		const options = this._context.configuration.options;
		const layoutInfo = options.get(EditorOption.layoutInfo);
		this._decorationsLeft = layoutInfo.decorationsLeft;
		this._decorationsWidth = layoutInfo.decorationsWidth;
		return true;
	}