src/vs/editor/browser/viewParts/viewZones/viewZones.ts/ViewZones/_minWidthInPixels
class ViewZones:	private _minWidthInPixels(zone: IViewZone): number {
		if (typeof zone.minWidthInPx === 'number') {
			return zone.minWidthInPx;
		}
		return 0;
	}