@Override
	public BitFieldDataType clone(DataTypeManager dtm) {
		if (dtm == dataMgr) {
			return this;
		}
		try {
			return new BitFieldDataType(baseDataType.clone(dtm), bitSize, bitOffset);
		}
		catch (InvalidDataTypeException e) {
			throw new AssertException("unexpected", e);
		}
	}
Clone this bitfield to a new datatype manager.  This may change the effective bit
size and storage size of the resulting datatype based upon the data organization
of the specified dtm.
@param dtm target datatype manager
@return new instance or same instance of dtm is unchanged.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/data/BitFieldDataType.java