$importer = new WikiImporter( $source, $this->getConfig() );
$importer->setRevisionCallback(
$importer = new WikiImporter( $source, $this->getConfig() );
$importer->setRevisionCallback(
/**
* Callback function for each revision, child classes should override
* processRevision instead.
/**
* Callback function for each revision, child classes should override
* processRevision instead.