public static void AtToken(this Messenger messenger, Token token,
MessageTemplate message, params object[] parameters)
{
messenger.Add(new MessageLocation(token), message, parameters);
}
public static void AtRange(this Messenger messenger, Token start,
Token end, MessageTemplate message, params object[] parameters)
{
messenger.Add(new MessageLocation(start, end), message, parameters);
}
public static void Add(this Messenger messenger,
MessageTemplate message, params object[] parameters)
{
messenger.Add(null, message, parameters);
}
