WidgetInfo header =
(WidgetInfo) JavaInfoUtils.createJavaInfo(
getEditor(),
"com.google.gwt.user.client.ui.HTML",
new ConstructorCreationSupport(headerExpression));
header.bindToExpression(headerExpression);
header.addRelatedNode(headerExpression);
header.setVariableSupport(new EmptyVariableSupport(header, headerExpression));
header.setAssociation(new InvocationSecondaryAssociation(invocation));
component.addChild(header);
}