Function getMutableArrayOrTupleType

test/fixtures/snapshot/typescript.js:75542–75547

(type)

            return getInferredTypes(context);
        }
        function getMutableArrayOrTupleType(type) {
            return type.flags & 1048576 /* TypeFlags.Union */ ? mapType(type, getMutableArrayOrTupleType) :
                type.flags & 1 /* TypeFlags.Any */ || isMutableArrayOrTuple(getBaseConstraintOfType(type) || type) ? type :
                    isTupleType(type) ? createTupleType(getTypeArguments(type), type.target.elementFlags, /*readonly*/ false, type.target.labeledElementDeclarations) :
                        createTupleType([type], [8 /* ElementFlags.Variadic */]);
        }
        function getSpreadArgumentType(args, index, argCount, restType, context, checkMode) {
            if (index >= argCount - 1) {
                var arg = args[argCount - 1];