WoohooLabs\Yin\JsonApi\Hydrator\Relationship\ToManyRelationship::getResourceIdentifierTypes PHP Method

    public function getResourceIdentifierTypes()
    {
        $types = [];
        foreach ($this->resourceIdentifiers as $resourceIdentifier) {
            /** @var \WoohooLabs\Yin\JsonApi\Schema\ResourceIdentifier $resourceIdentifier */
            $types[] = $resourceIdentifier->getType();
        }
        return $types;
    }