code: @Override
      public List<Transfer> retrieveAll( final List<? extends ArtifactStore> stores, final String path )
              throws IndyWorkflowException
      {
          return retrieveAll( stores, path, new EventMetadata() );
      }
docs: /*
  (non-Javadoc)
  @see org.commonjava.indy.core.rest.util.FileManager#downloadAll(java.util.List, java.lang.String)