public Config addMatcher(final String name, final Matcher matcher) {
        matchers.put(name, matcher);
        return this;
    }
<p>addMatcher.</p>

@param name a {@link String} object
@param matcher a {@link Matcher} object
@return a {@link Config} object
pac4j-core/src/main/java/org/pac4j/core/config/Config.java