/wro4j-core/src/main/java/ro/isdc/wro/config/factory/PropertyWroConfigurationFactory.java
if ( propertyValue != null) {   return trimToNull( valueOf( propertyValue) ) ; }
[Delete]
return BooleanUtils.toBooleanObject(valueAsString(configuration)); } private String valueAsString(final ConfigConstants configuration) { if (configuration != null) { Object propertyValue = properties.get(configuration.getPropertyKey()); if (propertyValue != null) { <extra_id_0> } } return null; } }