} else LOG.debug("collection.dbx not found");
}
	private CollectionConfiguration readCollectionConfiguration() {		DocumentImpl doc =			getDocument(getName() + '/' + COLLECTION_CONFIG_FILE);		if (doc != null) {			LOG.debug("found collection.xconf");			try {				return new CollectionConfiguration(doc);			} catch (CollectionConfigurationException e) {				LOG.warn(e.getMessage(), e);			}		} else			LOG.debug("collection.dbx not found");		return null;	}