https://commons.apache.org/proper/commons-configuration/apidocs/org/apache/commons/configuration2/beanutils/CombinedBeanDeclaration.html
CombinedBeanDeclaration (Apache Commons Configuration 2.14.0 API)
declaration: package: org.apache.commons.configuration2.beanutils, class: CombinedBeanDeclaration
apache commonsconfigurationapi