// Set the new value ...
sequencerA.setArray(FieldName.PATH_EXPRESSIONS, "//*.ddl", "//*.xml");
// And apply the changes to the repository's configuration ...
Changes changes = editor.getChanges();
engine.update(config.getName(), changes).get(); // don't forget to wait!
// Verify the configuration was changed successfully ...
RepositoryConfiguration config2 = engine.getRepositoryConfiguration(config.getName());
Document sequencerA2 = (Document)config2.getDocument()