at an editable text field
has a limit on the number of characters entered. If it is -1 there is
no limit on the number of characters entered. The field
<code>currentValueLength</code> indicates how much of that limit has already been
used up. When <code>maxValueLength</code> is set, <code>currentValueLength</code> must also be
set.</p>
<p>The field <code>platformViewId</code> references the platform view, whose semantics
nodes will be added as children to this node. If a platform view is
specified, <code>ch