@Override
	public DataType clone(DataTypeManager dtm) {
		if (dtm == getDataTypeManager()) {
			return this;
		}
		return new PascalUnicodeDataType(dtm);
	}
A length-prefixed string {@link DataType} (max 64k bytes) with char size of 2 bytes,
{@link CharsetSettingsDefinition UTF-16} charset, unbounded
(ignores containing field size, relies on embedded length value).
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/data/PascalUnicodeDataType.java