code: public Collection<String> combineUncheckedPlugins( Collection<String> uncheckedPlugins, String uncheckedPluginsList )
      {
          //if the comma list is empty, then there's nothing to do here.
          if ( StringUtils.isNotEmpty( uncheckedPluginsList ) )
          {
              //make sure there is a collection to add to.
              if ( uncheckedPlugins == null )
              {
                  uncheckedPlugins = new HashSet<String>();
              }
              else if ( !uncheckedPlugins.isEmpty() && log != null )
              {
                  log.warn( "The parameter 'unCheckedPlugins' is deprecated. Use 'unCheckedPluginList' instead" );
              }
  
              uncheckedPlugins.addAll( Arrays.asList( uncheckedPluginsList.split( "," ) ) );
          }
          return uncheckedPlugins;
      }
docs: Combines the old Collection with the new comma separated list.
  @param uncheckedPlugins
  @param uncheckedPluginsList
  @return