public SwiftDemanglerOptions getSwiftDemanglerOptions(DemanglerOptions opt)
			throws DemangledException {
		if (!(opt instanceof SwiftDemanglerOptions)) {
			opt = createDefaultOptions();
		}
		return (SwiftDemanglerOptions) opt;
	}
Gets the {@link SwiftDemanglerOptions} from the given {@link DemanglerOptions}

@param opt The options
@return The @link SwiftDemanglerOptions}
@throws DemangledException If the given options are not {@link SwiftDemanglerOptions}
Ghidra/Features/SwiftDemangler/src/main/java/ghidra/app/util/demangler/swift/SwiftDemangler.java