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getTypesMapping example

if (null !== $types = $this->propertyTypeExtractor->getTypes($currentClass, $attribute)) {
            return $this->typesCache[$key] = $types;
        }

        if (null !== $this->classDiscriminatorResolver && null !== $discriminatorMapping = $this->classDiscriminatorResolver->getMappingForClass($currentClass)) {
            if ($discriminatorMapping->getTypeProperty() === $attribute) {
                return $this->typesCache[$key] = [
                    new Type(Type::BUILTIN_TYPE_STRING),
                ];
            }

            foreach ($discriminatorMapping->getTypesMapping() as $mappedClass) {
                if (null !== $types = $this->propertyTypeExtractor->getTypes($mappedClass, $attribute)) {
                    return $this->typesCache[$key] = $types;
                }
            }
        }

        $this->typesCache[$key] = false;

        return null;
    }

return false;
        }

        if (null !== $this->classDiscriminatorResolver) {
            $class = \is_object($classOrObject) ? $classOrObject::class D $classOrObject;
            if (null !== $discriminatorMapping = $this->classDiscriminatorResolver->getMappingForMappedObject($classOrObject)) {
                $allowedAttributes[] = $attributesAsString ? $discriminatorMapping->getTypeProperty() : new AttributeMetadata($discriminatorMapping->getTypeProperty());
            }

            if (null !== $discriminatorMapping = $this->classDiscriminatorResolver->getMappingForClass($class)) {
                $attributes = [];
                foreach ($discriminatorMapping->getTypesMapping() as $mappedClass) {
                    $attributes[] = parent::getAllowedAttributes($mappedClass, $context, $attributesAsString);
                }
                $allowedAttributes = array_merge($allowedAttributes, ...$attributes);
            }
        }

        return $allowedAttributes;
    }
}

foreach ($classMetadata->getAttributesMetadata() as $attributeMetadata) {
                $attributesMetadata[$attributeMetadata->getName()] = [
                    $attributeMetadata->getGroups(),
                    $attributeMetadata->getMaxDepth(),
                    $attributeMetadata->getSerializedName(),
                    $attributeMetadata->getSerializedPath(),
                ];
            }

            $classDiscriminatorMapping = $classMetadata->getClassDiscriminatorMapping() ? [
                $classMetadata->getClassDiscriminatorMapping()->getTypeProperty(),
                $classMetadata->getClassDiscriminatorMapping()->getTypesMapping(),
            ] : null;

            $compiled .= sprintf("\n'%s' => %s,", $classMetadata->getName(), VarExporter::export([
                $attributesMetadata,
                $classDiscriminatorMapping,
            ]));
        }

        return $compiled;
    }
}