About this task
To replace the default implementation that the toolkit provides for
the ElementState interface with a new one, add a new data field with the id="state"
in the toolkit configuration file (btt.xml) as shown in the following example:
<kColl id="components">
.......
<kColl id="type">
.......
<kColl id="classTable">
......
<field id="state" value="myPackegeName.myElementStateClassName" />
......
</kColl>
......
</kColl>
......
</kColl>