src/Validation/Spec/CreateResourceValidator.php
protected function validateAllFields(): bool
    {
        $duplicates = collect(
            (array) $this->dataGet('attributes', [])
        )->intersectByKeys(
            (array) $this->dataGet('relationships', [])
        )->keys();

        $this->resourceFieldsExistInAttributesAndRelationships($duplicates);

        return $duplicates->isEmpty();
    }
protected function validateAllFields(): bool
    {
        $duplicates = collect(
            (array) $this->dataGet('attributes', [])
        )->intersectByKeys(
            (array) $this->dataGet('relationships', [])
        )->keys();

        $this->resourceFieldsExistInAttributesAndRelationships($duplicates);

        return $duplicates->isEmpty();
    }
Validate the resource's attributes and relationships collectively.

@return bool