public virtual void removeMessageListener(MessageListener l)
{
if (!ignoreInvalidDebugCalls)
{
throw new System.SystemException("removeMessageListener() is only valid if parser built for debugging");
}
}
public virtual void addMessageListener(MessageListener l)
{
if (!ignoreInvalidDebugCalls)
{
throw new System.ArgumentException("addMessageListener() is only valid if parser built for debugging");
}
}