*
   * <p><b>Java 8+ users:</b> many use cases for this method are better addressed by {@link
   * java.util.stream.Stream#filter}. This method is not being deprecated, but we gently encourage
   * you to migrate to streams.
   */
  // TODO(kevinb): how to omit that last sentence when building GWT javadoc?
  public static <E extends @Nullable Object> Set<E> filter(

money-bill-wave:before{content:"\f53a"}.fa-money-bill-wave-alt:before{content:"\f53b"}.fa-money-check:before{content:"\f53c"}.fa-money-check-alt:before{content:"\f53d"}.fa-monument:before{content:"\f5a6"}.fa-moon:before{content:"\f186"}.fa-mortar-pestle:before{content:"\f5a7"}.fa-mosque:before{content:"\f678"}.fa-motorcycle:before{content:"\f21c"}.fa-mountain:before{content:"\f6fc"}.fa-mouse:before{content:"\f8cc"}.fa-mouse-pointer:before{content:"\f245"}.fa-mug-hot:before{content:"\f7b6"}.fa-mu...

money-bill-wave:before{content:"\f53a"}.fa-money-bill-wave-alt:before{content:"\f53b"}.fa-money-check:before{content:"\f53c"}.fa-money-check-alt:before{content:"\f53d"}.fa-monument:before{content:"\f5a6"}.fa-moon:before{content:"\f186"}.fa-mortar-pestle:before{content:"\f5a7"}.fa-mosque:before{content:"\f678"}.fa-motorcycle:before{content:"\f21c"}.fa-mountain:before{content:"\f6fc"}.fa-mouse:before{content:"\f8cc"}.fa-mouse-pointer:before{content:"\f245"}.fa-mug-hot:before{content:"\f7b6"}.fa-mu...