private Address getMetaAddress() {
		return getAddress().subtract(getProgram().getDefaultPointerSize());
	}
Gets the address of the location containing the meta pointer, which points to the RTTI 4 
associated with this vf table.
@return the address of the meta pointer
Ghidra/Features/MicrosoftCodeAnalyzer/src/main/java/ghidra/app/cmd/data/rtti/VfTableModel.java