/**
* Return the relationships attribute.
*
* @param StreamInterface $stream
* @return string
*/
public function parse(StreamInterface $stream)
{
$relationships = [];
/* @var AssignmentInterface $assignment */
foreach ($stream->getRelationshipAssignments() as $assignment) {
$relationships[] = "'{$assignment->getFieldSlug()}'";
}
return "[" . implode(', ', $relationships) . "]";
}
