r framework are offered in two versions, a
visually-oriented variant, and a text-direction-dependent variant. For
example, <code>EdgeInsets</code> is described in terms of top, left, right, and bottom,
while <code>EdgeInsetsDirectional</code> is described in terms of top, start, end, and
bottom, where start and end correspond to right and left in right-to-left
text and left and right in left-to-right text.</p>
<p>There are distinct use cases for each of these variants.</p>
<p>Text-direction-dependent varian