code: public static List<XmlChannel> toCollectionXmlChannels(Collection<Channel.Builder> channelBuilders) {
  		List<XmlChannel> xmlchannels = new ArrayList<XmlChannel>();
  		for (Channel.Builder builder : channelBuilders) {
  			xmlchannels.add(builder.toXml());
  		}
  		return xmlchannels;
  	}
docs: Returns a list of {@link Channel} built from the list of
  {@link Channel.Builder}s
  
  @param channelBuilders
  - list of Channel.Builder to be built.
  @return Collection of {@link Channel} built from the channelBuilders