public Matcher descend(String namespace, String name) {
        if (Objects.equals(namespace, this.namespace) && name.equals(this.name)) {
            return super.descend(namespace, name);
        } else {
            return FAIL;
        }
    }
Intermediate evaluation state of a <code>.../name...</code> XPath
expression. Matches nothing, but specifies the evaluation state
for the child elements with the given name.
tika-core/src/main/java/org/apache/tika/sax/xpath/NamedElementMatcher.java