@Override
	public String toString() {
		String str = super.toString();
		if (isBitField) {
			str += ", bitSize=" + bitFieldSize + ", bitOffset=" + bitFieldOffset;
		}
		return str;
	}
Kind of member record.  Only those records with a Member kind
are currently considered for inclusion within a composite.
@return PDB kind
Ghidra/Features/PDB/src/main/java/ghidra/app/util/bin/format/pdb/DefaultPdbMember.java