Interface for transformations. The 'configurable' version can be configured with an integer, so
the transformer can work in a limited number of ways. This is to avoid a wild growth of class,
because you can influence the behaviour a bit by such a setting.
author: Michiel Meeuwissen since: MMBase-1.7
Method Summary
void
configure(int to) If a transformer can handle more then one destination
format, it can be configured with this.