public static FileWatchingX509ExtendedTrustManager newFileWatchingTrustManager(SSLConfig config) {
    return newFileWatchingTrustManager(Paths.get(config.getTruststore()),
        config.getTruststoreType(), config.getTruststorePassword());
  }
Returns a {@link FileWatchingX509ExtendedTrustManager} for the given SSL config. A new instance
will be created only if one does not already exist for the provided trust store path.

@param config The SSL config to use to load the trust manager
geode-core/src/main/java/org/apache/geode/internal/net/filewatch/FileWatchingX509ExtendedTrustManager.java