@Override
	public String toString() {
		StringBuffer buf = new StringBuffer("BitGroup - Mask: ");
		buf.append(Long.toHexString(mask));
		buf.append(" values: ");
		for (Long value : values) {
			buf.append(value);
			buf.append(",");
		}
		return buf.toString();
	}
Merges the given BitGroup into the group.  All of its values will be added to this
group's values and the masks will be or'ed together.
@param bitGroup the BitGroup to merge into this one.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/data/BitGroup.java