code: public void set(Property.Builder prop, Map<String, String> channelPropertyMap) {
  		wrappedSubmit(new SetProperty(prop.toXml(), channelPropertyMap));
  	}
docs: Destructively set the property <tt>prop</tt> and add it to the channels
  specified in the <tt>channelPropertyMap</tt>, where the map key is the
  channel name and the associated value is the property value to be used
  for that channel.
  
  @param prop
  - the property to be set.
  @param channelPropertyMap
  - map with channel names and property values