private static StatusList ConvertToNativeStatusList(
     List< MwsFeedSubmissionProcessingStatus > processingStatusList )
 {
     var nativeStatusList = new StatusList();
     processingStatusList.ForEach(
         status => {
             FeedSubmissionProcessingStatusMap[ status ].ForEach(
                 mwsStatus => { nativeStatusList.WithStatus( mwsStatus ); } );
         } );
     return nativeStatusList;
 }