| debugLabel | A label to help identify this strut style. | string |
| fontFamily | The font family to use for this strut style. | string |
| fontFamilyFallback | A list of fallback font families to use for this strut style. | array |
| fontSize | The font size to use for this strut style. | number |
| fontWeight | The font weight to use for this strut style. | string |
| forceStrutHeight | Whether to force the strut height. | boolean |
| height | The minimum height of the strut. | number |
| leading | The additional leading of the strut which is a multiple of fontSize. | number |
| leadingDistribution | The TextLeadingDistribution enum. | string |