@Override
	public void emit(StringBuilder builder) {
		// Making this up; no API for output.
		builder.append("<");
		builder.append(attributes);
		builder.append(": ");
		builder.append(pdb.getTypeRecord(procedureRecordNumber));
		if (optionalOffset != -1) {
			builder.append(",");
			builder.append(optionalOffset);
		}
		builder.append(">");
	}
Returns the offset of the procedure in the VFTable if intro/virtual. Value of -1 means
 there was not a value
@return the offset
Ghidra/Features/PDB/src/main/java/ghidra/app/util/bin/format/pdb2/pdbreader/type/AbstractMethodRecordMs.java