e>fontFamilyFallback</code>: An ordered list of font family names that will be searched for when
 the font in <code>fontFamily</code> cannot be found.</p></li><li>
<p><code>fontSize</code>: The size of glyphs (in logical pixels) to use when painting
the text.</p></li><li>
<p><code>height</code>: The minimum height of the line boxes, as a multiplier of the
font size. The lines of the paragraph will be at least `(height + leading)</p><ul><li>fontSize` tall when fontSize is not null. When fontSize is null, the