public function denormalise(array $data, array $options = [])
    {
        if (empty($data)) {
            return $data;
        }

        if (!isset($options["entityClass"])) {
            throw new NormalisationException("Cannot denormalise data without knowing the main entity class");
        }
        if (!isset($options["metadataProvider"])) {
            throw new NormalisationException("Cannot denormalise data without a metadata provider");
        }

        /** @var EntityMetadataProviderInterface $metadataProvider */
        $this->metadataProvider = $options["metadataProvider"];
        $metadata = $this->metadataProvider->getEntityMetadata($options["entityClass"]);

        // split fields based on prefix
        $prefixedFields = [];
        foreach ($data[0] as $field => $value) {
            $fieldParts = explode("__", $field);
            // if this field has no prefix, set it to an empty string
            if (count($fieldParts) == 1) {
                array_unshift($fieldParts, "");
            }
            // add the field to the prefix's array
            $prefix = $fieldParts[0];
            if (empty($prefixedFields[$prefix])) {
                $prefixedFields[$prefix] = [];
            }
            $prefixedFields[$prefix][$fieldParts[1]] = $field;
        }

        // handle case where only 1 prefix is present
        if (count($prefixedFields) == 1) {
            $fields = array_pop($prefixedFields);
            $primaryKey = $metadata->getPrimaryKey();
            if (isset($fields[$primaryKey])) {
                $this->primaryKeyFields = [$fields[$primaryKey] => true];
            }
            return $this->denormaliseData($data, $fields);
        }

        // complex result set
        if (!isset($options["entityMap"])) {
            throw new NormalisationException("Cannot denormalise data without an entity map");
        }

        $entityMap = $options["entityMap"];

        $collection = $metadata->getCollection();

        if (empty($prefixedFields[$collection])) {
            throw new NormalisationException("The collection '$collection' was not found in the fields array for this record set: '" . implode("', '", array_keys($prefixedFields)) . "'");
        }

        // reset primary key fields
        $this->primaryKeyFields = [];
        $this->treedEntities = [];
        $this->childRowAliases = [];

        $this->createFieldTree($prefixedFields, $entityMap, $collection, $options["entityClass"]);

        reset($data);
        $result = $this->denormaliseData($data, $prefixedFields[$collection], $collection);

        return  $result;
    }