@Override
	public DataType clone(DataTypeManager dtm) {
		if (dtm == getDataTypeManager()) {
			return this;
		}
		return new UnicodeDataType(dtm);
	}
A fixed-length UTF-16 string {@link DataType}.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/data/UnicodeDataType.java