@Specialization
protected Object getDimNames(RAbstractContainer container) {
controlVisibility();
RList names;
if (container instanceof RDataFrame) {
dataframeProfile.enter();
names = ((RDataFrame) container).getVector().getDimNames();
} else if (container instanceof RFactor) {
factorProfile.enter();
names = ((RFactor) container).getVector().getDimNames();
} else {
otherProfile.enter();
names = container.getDimNames(attrProfiles);
}
return nullProfile.profile(names == null) ? RNull.instance : names;
}