private AbstractDefinedSingleAddressRangeMsSymbol getValidatedSymbol(MsSymbolIterator iter,
			boolean iterate) {
		AbstractMsSymbol abstractSymbol = iterate ? iter.next() : iter.peek();
		if (!(abstractSymbol instanceof AbstractDefinedSingleAddressRangeMsSymbol rangeSymbol)) {
			throw new AssertException(
				"Invalid symbol type: " + abstractSymbol.getClass().getSimpleName());
		}
		return rangeSymbol;
	}
Constructor
@param applicator the {@link DefaultPdbApplicator} for which we are working.
@param symbol the symbol for this applier
Ghidra/Features/PDB/src/main/java/ghidra/app/util/pdb/pdbapplicator/DefinedSingleAddressRangeSymbolApplier.java