="dart-ui/SemanticsAction/decrease-constant.html">SemanticsAction.decrease</a> action is performed. The <code>hint</code>
string describes what result an action performed on this node has. The
reading direction of all these strings is given by <code>textDirection</code>.</p>
<p>The fields 'textSelectionBase' and 'textSelectionExtent' describe the
currently selected text within <code>value</code>.</p>
<p>The field <code>platformViewId</code> references the platform view, whose semantics
nodes will be added a