public boolean isLeastSpecific() {
                return (this.pattern == null || this.catchAllPattern);
            }
Value class that holds information about the pattern, e.g. number of
occurrences of "*", "**", and "{" pattern elements.
agent-module/bootstraps/bootstrap-core/src/main/java/com/navercorp/pinpoint/bootstrap/util/spring/AntPathMatcher.java