in src/main/java/org/apache/sling/jcr/base/util/AccessControlUtil.java [340:350]
public static void replaceAccessControlEntry(Session session, String resourcePath, Principal principal,
String[] grantedPrivilegeNames, String[] deniedPrivilegeNames, String[] removedPrivilegeNames)
throws RepositoryException {
replaceAccessControlEntry(session,
resourcePath,
principal,
grantedPrivilegeNames,
deniedPrivilegeNames,
removedPrivilegeNames,
null);
}