// HV-302; don't load XmlMappingParser if not necessary
if ( configurationState.getMappingStreams().isEmpty() ) {
this.xmlMetaDataProvider = null;
}
else {
this.xmlMetaDataProvider = new XmlMetaDataProvider(
constraintHelper, parameterNameProvider, configurationState.getMappingStreams()
);
}
Map<String, String> properties = configurationState.getProperties();