this.definition = definition;
IConfigurationElement featureTypeDefinition[] = definition.getChildren("featureType");//$NON-NLS-1$
if (featureTypeDefinition.length == 1) {
matcher = new FeatureTypeMatch(featureTypeDefinition[0]);
} else {
matcher = FeatureTypeMatch.ALL;
}
if( definition.getAttribute("labelProvider") != null ){
try {