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isVariadic example

return $data;
        }

        throw NotNormalizableValueException::createForUnexpectedDataType(sprintf('The type of the "%s" attribute for class "%s" must be one of "%s" ("%s" given).', $attribute, $currentClass, implode('", "', array_keys($expectedTypes)), get_debug_type($data)), $data, array_keys($expectedTypes), $context['deserialization_path'] ?? $attribute);
    }

    /** * @internal */
    protected function denormalizeParameter(\ReflectionClass $class, \ReflectionParameter $parameter, string $parameterName, mixed $parameterData, array $context, string $format = null): mixed
    {
        if ($parameter->isVariadic() || null === $this->propertyTypeExtractor || null === $types = $this->getTypes($class->getName(), $parameterName)) {
            return parent::denormalizeParameter($class, $parameter, $parameterName, $parameterData, $context, $format);
        }

        $parameterData = $this->validateAndDenormalize($types, $class->getName(), $parameterName, $parameterData, $format, $context);

        return $this->applyCallbacks($parameterData, $class->getName(), $parameterName, $format, $context);
    }

    /** * @return Type[]|null */

$this->setAttribute('name', $name);
        $this->setAttribute('type', 'function');
        $this->setAttribute('needs_environment', $function->needsEnvironment());
        $this->setAttribute('needs_context', $function->needsContext());
        $this->setAttribute('arguments', $function->getArguments());
        $callable = $function->getCallable();
        if ('constant' === $name && $this->getAttribute('is_defined_test')) {
            $callable = 'twig_constant_is_defined';
        }
        $this->setAttribute('callable', $callable);
        $this->setAttribute('is_variadic', $function->isVariadic());

        $this->compileCallable($compiler);
    }
}

final class VariadicValueResolver implements ArgumentValueResolverInterface, ValueResolverInterface
{
    /** * @deprecated since Symfony 6.2, use resolve() instead */
    public function supports(Request $request, ArgumentMetadata $argument): bool
    {
        @trigger_deprecation('symfony/http-kernel', '6.2', 'The "%s()" method is deprecated, use "resolve()" instead.', __METHOD__);

        return $argument->isVariadic() && $request->attributes->has($argument->getName());
    }

    public function resolve(Request $request, ArgumentMetadata $argument): array
    {
        if (!$argument->isVariadic() || !$request->attributes->has($argument->getName())) {
            return [];
        }

        $values = $request->attributes->get($argument->getName());

        if (!\is_array($values)) {

$constructorParameters = $constructor->getParameters();
            $missingConstructorArguments = [];
            $params = [];
            foreach ($constructorParameters as $constructorParameter) {
                $paramName = $constructorParameter->name;
                $attributeContext = $this->getAttributeDenormalizationContext($class, $paramName, $context);
                $key = $this->nameConverter ? $this->nameConverter->normalize($paramName, $class, $format, $context) : $paramName;

                $allowed = false === $allowedAttributes || \in_array($paramName, $allowedAttributes);
                $ignored = !$this->isAllowedAttribute($class, $paramName, $format, $context);
                if ($constructorParameter->isVariadic()) {
                    if ($allowed && !$ignored && (isset($data[$key]) || \array_key_exists($key, $data))) {
                        if (!\is_array($data[$key])) {
                            throw new RuntimeException(sprintf('Cannot create an instance of "%s" from serialized data because the variadic parameter "%s" can only accept an array.', $class, $constructorParameter->name));
                        }

                        $variadicParameters = [];
                        foreach ($data[$key] as $parameterKey => $parameterData) {
                            $variadicParameters[$parameterKey] = $this->denormalizeParameter($reflectionClass, $constructorParameter, $paramName, $parameterData, $attributeContext, $format);
                        }

                        $params = array_merge($params, $variadicParameters);

if (\count($values) < $numberOfRequiredParameters) {
            throw new InvalidArgumentException(sprintf('Invalid definition for service "%s": "%s::%s()" requires %d arguments, %d passed.', $this->currentId, $reflectionFunction->class, $reflectionFunction->name, $numberOfRequiredParameters, \count($values)));
        }

        $reflectionParameters = $reflectionFunction->getParameters();
        $checksCount = min($reflectionFunction->getNumberOfParameters(), \count($values));

        $envPlaceholderUniquePrefix = $this->container->getParameterBag() instanceof EnvPlaceholderParameterBag ? $this->container->getParameterBag()->getEnvPlaceholderUniquePrefix() : null;

        for ($i = 0; $i < $checksCount; ++$i) {
            $p = $reflectionParameters[$i];
            if (!$p->hasType() || $p->isVariadic()) {
                continue;
            }
            if (\array_key_exists($p->name, $values)) {
                $i = $p->name;
            } elseif (!\array_key_exists($i, $values)) {
                continue;
            }

            $this->checkType($checkedDefinition, $values[$i], $p, $envPlaceholderUniquePrefix);
        }

$arguments = [];
        $reflector ??= new \ReflectionFunction($controller(...));

        foreach ($reflector->getParameters() as $param) {
            $attributes = [];
            foreach ($param->getAttributes() as $reflectionAttribute) {
                if (class_exists($reflectionAttribute->getName())) {
                    $attributes[] = $reflectionAttribute->newInstance();
                }
            }

            $arguments[] = new ArgumentMetadata($param->getName(), $this->getType($param), $param->isVariadic(), $param->isDefaultValueAvailable(), $param->isDefaultValueAvailable() ? $param->getDefaultValue() : null, $param->allowsNull(), $attributes);
        }

        return $arguments;
    }

    /** * Returns an associated type to the given parameter if available. */
    private function getType(\ReflectionParameter $parameter): ?string
    {
        if (!$type = $parameter->getType()) {

/** * @deprecated since Symfony 6.2, use resolve() instead */
    public function supports(Request $request, ArgumentMetadata $argument): bool
    {
        @trigger_deprecation('symfony/http-kernel', '6.2', 'The "%s()" method is deprecated, use "resolve()" instead.', __METHOD__);

        if (!is_subclass_of($argument->getType(), \BackedEnum::class)) {
            return false;
        }

        if ($argument->isVariadic()) {
            // only target route path parameters, which cannot be variadic.             return false;
        }

        // do not support if no value can be resolved at all         // letting the \Symfony\Component\HttpKernel\Controller\ArgumentResolver\DefaultValueResolver be used         // or \Symfony\Component\HttpKernel\Controller\ArgumentResolver fail with a meaningful error.         return $request->attributes->has($argument->getName());
    }

    public function resolve(Request $request, ArgumentMetadata $argument): iterable
    {

$method = $r->getName();
                    $parameters = $r->getParameters();
                }

                if (isset($key[0]) && '$' !== $key[0] && !class_exists($key) && !interface_exists($key, false)) {
                    throw new InvalidArgumentException(sprintf('Invalid service "%s": did you forget to add the "$" prefix to argument "%s"?', $this->currentId, $key));
                }

                if (isset($key[0]) && '$' === $key[0]) {
                    foreach ($parameters as $j => $p) {
                        if ($key === '$'.$p->name) {
                            if ($p->isVariadic() && \is_array($argument)) {
                                foreach ($argument as $variadicArgument) {
                                    $resolvedKeys[$j] = $j;
                                    $resolvedArguments[$j++] = $variadicArgument;
                                }
                            } else {
                                $resolvedKeys[$j] = $p->name;
                                $resolvedArguments[$j] = $argument;
                            }

                            continue 2;
                        }
                    }

final class DefaultValueResolver implements ArgumentValueResolverInterface, ValueResolverInterface
{
    /** * @deprecated since Symfony 6.2, use resolve() instead */
    public function supports(Request $request, ArgumentMetadata $argument): bool
    {
        @trigger_deprecation('symfony/http-kernel', '6.2', 'The "%s()" method is deprecated, use "resolve()" instead.', __METHOD__);

        return $argument->hasDefaultValue() || (null !== $argument->getType() && $argument->isNullable() && !$argument->isVariadic());
    }

    public function resolve(Request $request, ArgumentMetadata $argument): array
    {
        if ($argument->hasDefaultValue()) {
            return [$argument->getDefaultValue()];
        }

        if (null !== $argument->getType() && $argument->isNullable() && !$argument->isVariadic()) {
            return [null];
        }

$a[$prefix.'returnType'] = new ClassStub($a[$prefix.'returnType'] instanceof \ReflectionNamedType && $a[$prefix.'returnType']->allowsNull() && 'mixed' !== $v ? '?'.$v : $v, [class_exists($v, false) || interface_exists($v, false) || trait_exists($v, false) ? $v : '', '']);
        }
        if (isset($a[$prefix.'class'])) {
            $a[$prefix.'class'] = new ClassStub($a[$prefix.'class']);
        }
        if (isset($a[$prefix.'this'])) {
            $a[$prefix.'this'] = new CutStub($a[$prefix.'this']);
        }

        foreach ($c->getParameters() as $v) {
            $k = '$'.$v->name;
            if ($v->isVariadic()) {
                $k = '...'.$k;
            }
            if ($v->isPassedByReference()) {
                $k = '&'.$k;
            }
            $a[$prefix.'parameters'][$k] = $v;
        }
        if (isset($a[$prefix.'parameters'])) {
            $a[$prefix.'parameters'] = new EnumStub($a[$prefix.'parameters']);
        }

public static function exportSignature(\ReflectionFunctionAbstract $function, bool $withParameterTypes = true, string &$args = null): string
    {
        $hasByRef = false;
        $args = '';
        $param = null;
        $parameters = [];
        foreach ($function->getParameters() as $param) {
            $parameters[] = ($param->getAttributes(\SensitiveParameter::class) ? '#[\SensitiveParameter] ' : '')
                .($withParameterTypes && $param->hasType() ? self::exportType($param).' ' : '')
                .($param->isPassedByReference() ? '&' : '')
                .($param->isVariadic() ? '...' : '').'$'.$param->name
                .($param->isOptional() && !$param->isVariadic() ? ' = '.self::exportDefault($param) : '');
            $hasByRef = $hasByRef || $param->isPassedByReference();
            $args .= ($param->isVariadic() ? '...$' : '$').$param->name.', ';
        }

        if (!$param || !$hasByRef) {
            $args = '...\func_get_args()';
        } elseif ($param->isVariadic()) {
            $args = substr($args, 0, -2);
        } else {
            $args .= sprintf('...\array_slice(\func_get_args(), %d)', \count($parameters));
        }

$metadata['enum'][$property->name]['value']   = $annotation->value;
                        $metadata['enum'][$property->name]['literal'] = (! empty($annotation->literal))
                            ? $annotation->literal
                            : $annotation->value;
                    }
                }

                // choose the first property as default property                 $metadata['default_property'] = reset($metadata['properties']);
            } elseif ($metadata['has_named_argument_constructor']) {
                foreach ($constructor->getParameters() as $parameter) {
                    if ($parameter->isVariadic()) {
                        break;
                    }

                    $metadata['constructor_args'][$parameter->getName()] = [
                        'position' => $parameter->getPosition(),
                        'default' => $parameter->isOptional() ? $parameter->getDefaultValue() : null,
                    ];
                }
            }
        }