code: @Deprecated
      @SuppressWarnings("unchecked")
      public static <T> ChannelOption<T> newInstance(String name) {
          return (ChannelOption<T>) pool.newInstance(name);
      }
docs: Creates a new {@link ChannelOption} for the given {@code name} or fail with an
  {@link IllegalArgumentException} if a {@link ChannelOption} for the given {@code name} exists.
  
  @deprecated use {@link #valueOf(String)}.