src/Symfony/Component/Serializer/Normalizer/NumberNormalizer.php:23:57: LessSpecificImplementedReturnType: The inherited return type 'array<string, bool|null>' for Symfony\Component\Serializer\Normalizer\NormalizerInterface::getSupportedTypes is more specific than the implemented return type for Symfony\Component\Serializer\Normalizer\NumberNormalizer::getsupportedtypes 'array<array-key, mixed>' (see https://psalm.dev/166)

src/Symfony/Component/Serializer/Normalizer/NumberNormalizer.php:23:57: LessSpecificImplementedReturnType: The inherited return type 'array<string, bool|null>' for Symfony\Component\Serializer\Normalizer\DenormalizerInterface::getSupportedTypes is more specific than the implemented return type for Symfony\Component\Serializer\Normalizer\NumberNormalizer::getsupportedtypes 'array<array-key, mixed>' (see https://psalm.dev/166)

src/Symfony/Component/Serializer/Normalizer/NumberNormalizer.php:37:25: InvalidCast: GMP cannot be cast to string (see https://psalm.dev/103)

src/Symfony/Component/Serializer/Normalizer/NumberNormalizer.php:23:57: LessSpecificImplementedReturnType: The inherited return type 'array<string, bool|null>' for Symfony\Component\Serializer\Normalizer\NormalizerInterface::getSupportedTypes is more specific than the implemented return type for Symfony\Component\Serializer\Normalizer\NumberNormalizer::getsupportedtypes 'array<array-key, mixed>' (see https://psalm.dev/166)

src/Symfony/Component/Serializer/Normalizer/NumberNormalizer.php:23:57: LessSpecificImplementedReturnType: The inherited return type 'array<string, bool|null>' for Symfony\Component\Serializer\Normalizer\DenormalizerInterface::getSupportedTypes is more specific than the implemented return type for Symfony\Component\Serializer\Normalizer\NumberNormalizer::getsupportedtypes 'array<array-key, mixed>' (see https://psalm.dev/166)

src/Symfony/Component/Serializer/Normalizer/NumberNormalizer.php:37:25: InvalidCast: GMP cannot be cast to string (see https://psalm.dev/103)