@Override
	public String toString() {
		return getDisplayName() + "(baseSize:" + getBaseTypeSize() + ",bitOffsetInBase:" +
			bitOffsetWithinBaseType + ")";
	}
Get the bit offset within the full base type
@return base type bit offset or -1 if unknown
Ghidra/Features/PDB/src/main/java/ghidra/app/util/bin/format/pdb/PdbBitField.java