public function getIncludedRelationships(string $baseRelationshipPath): array
    {
        if ($this->includedRelationships === null) {
            $this->setIncludedRelationships();
        }

        if (isset($this->includedRelationships[$baseRelationshipPath])) {
            return array_values($this->includedRelationships[$baseRelationshipPath]);
        }

        return [];
    }