https://access.redhat.com/webassets/avalon/d/red_hat_jboss_enterprise_application_platform/7.2/javadocs/org/apache/xml/utils/SystemIDResolver.html
SystemIDResolver (Red Hat JBoss Enterprise Application Platform 7.2.0.GA public API)
red hat jboss
https://xalan.apache.org/old/xalan-j/apidocs/org/apache/xml/serializer/utils/SystemIDResolver.html
Xalan-Java 2.7.1: Class SystemIDResolver
javaclass