* @see org.fusesource.ide.launcher.debug.model.variables.BaseCamelVariable#setValue(java.lang.String)
*/
@Override
public void setValue(String expression) throws DebugException {
Header oldHeader = ((CamelHeaderValue)getValue()).getHeader();
super.setValue(new CamelHeaderValue(fTarget, new Header(oldHeader.getKey(), expression , oldHeader.getType()), Header.class));
markChanged();
fireChangeEvent(DebugEvent.CONTENT);
updateValueOnRuntime(((CamelDebugTarget)getDebugTarget()).getDebugger());
}