@Override
	public DataType clone(DataTypeManager dtm) {
		if (dtm == getDataTypeManager()) {
			return this;
		}
		return new BitmapResourceDataType(dtm);
	}
Definition of a Bitmap Resource Data Structure defined within the
resources section of a windows executable.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/data/BitmapResourceDataType.java