Here are the examples of the java api class com.sun.org.apache.xml.internal.resolver.helpers.Debug taken from open source projects.
1. CatalogManager#init()
Project: openjdk
File: CatalogManager.java
File: CatalogManager.java
private void init() { debug = new Debug(); // to avoid it. if (System.getSecurityManager() == null) { useServicesMechanism = true; } // Make sure verbosity is set by xml.catalog.verbosity sysprop // setting, if defined. queryVerbosityFromSysProp(); }