According to this documentation, yes, it returns the raw value encoded in the barcode. What it does not appear to do is further decode the raw value into logic

According to this documentation, yes, it returns the raw value encoded in the barcode. What it does not appear to do is further decode the raw value into logical data. E.g. data matrices commonly contain GS1 element strings that are not trivial to decode. There are libraries for that, though.