public PatchList get(final Change change, final PatchSet patchSet)
throws PatchListNotAvailableException {
final Project.NameKey projectKey = change.getProject();
final ObjectId a = null;
final ObjectId b = ObjectId.fromString(patchSet.getRevision().get());
final Whitespace ws = Whitespace.IGNORE_NONE;
return get(new PatchListKey(projectKey, a, b, ws));
}