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