code: public final HttpClient cookiesWhen(String name, Function<? super Cookie, Mono<? extends Cookie>> cookieBuilder) {
  		return new HttpClientCookieWhen(this, name, cookieBuilder);
  	}
docs: Apply cookies configuration emitted by the returned Mono before requesting.
  
  @param cookieBuilder the cookies {@link Function} to invoke before sending
  
  @return a new {@link HttpClient}