public static void reset() {
        synchronized(URILoadingRegistry.class) {
            instance = null;
        }
    }
URI loading registry that pulls configuration from a specified JSON file.
<ul>
  <li>configUri: apiman policy config to load from JSON via file
  ({@link FileResourceFetcher}) or HTTP/S ({@link HttpResourceFetcher}).
  See the corresponding fetcher for additional options.</li>
</ul>

@author Marc Savy {@literal <marc@rhymewithgravy.com>}
@see FileResourceFetcher
@see HttpResourceFetcher
gateway/engine/vertx-polling/src/main/java/io/apiman/gateway/engine/vertx/polling/URILoadingRegistry.java