/wro4j-core/src/main/java/ro/isdc/wro/manager/factory/ConfigurableWroManagerFactory.java
configProperties = newConfigProperties(); if((additionalConfigProperties) != null) {  configProperties.putAll(additionalConfigProperties);};
if ( configProperties == null ) { configProperties = newConfigProperties ( ) ; if ( additionalConfigProperties != null ) { configProperties.putAll ( additionalConfigProperties ) ; }
if (value != null) { props.setProperty(key, value); } } } private Properties getConfigProperties() { <extra_id_0> } return configProperties; } protected Properties newConfigProperties() { final Properties props = new Properties(); try {