String propertyNameStr = context.getValueFactories().getStringFactory().create(propertyName);
String path = nodePathStr + "/@" + propertyNameStr;
SequencerPathExpression.Matcher matcher = pathExpression.matcher(path);
if (matcher.matches()) {
// String selectedPath = matcher.getSelectedPath();
RepositoryNodePath outputPath = RepositoryNodePath.parse(matcher.getOutputPath(),
repositorySourceName,
repositoryWorkspaceName);
SequencerCall call = new SequencerCall(sequencer, propertyNameStr);
// Record the output path ...
Set<RepositoryNodePath> outputPaths = sequencerCalls.get(call);