.attr("key", version.getKey())
.set(version.getVersionId()).up();
}
try {
this.content = ObjectVersionListing.STYLESHEET.transform(
new XMLDocument(new Xembler(dirs).xml())
).toString().getBytes(Charsets.UTF_8);
} catch (final ImpossibleModificationException ex) {
throw new IllegalStateException(
"Unable to generate version listing", ex
);