src/vs/editor/browser/viewParts/selections/selections.ts/SelectionsOverlay/_visibleRangesHaveGaps
class SelectionsOverlay:	private _visibleRangesHaveGaps(linesVisibleRanges: LineVisibleRangesWithStyle[]): boolean {

		for (let i = 0, len = linesVisibleRanges.length; i < len; i++) {
			const lineVisibleRanges = linesVisibleRanges[i];

			if (lineVisibleRanges.ranges.length > 1) {
				// There are two ranges on the same line
				return true;
			}
		}

		return false;
	}