lib/components/types/Collector.php
public function addRelationship($parent, $child, $options = [])
    {
        $parentRef = $this->getOne($parent);
        $childRef = $this->getOne($child);
        $relationship = Relationship::getOne($parentRef, $childRef, $options);
        $parentRef->addChild($child, $relationship);
        $childRef->addParent($parent, $relationship);

        return true;
    }
public function addRelationship($parent, $child, $options = [])
    {
        $parentRef = $this->getOne($parent);
        $childRef = $this->getOne($child);
        $relationship = Relationship::getOne($parentRef, $childRef, $options);
        $parentRef->addChild($child, $relationship);
        $childRef->addParent($parent, $relationship);

        return true;
    }
[[@doctodo method_description:addRelationship]].

@param unknown $parent
@param unknown $child
@param unknown $options (optional)

@return unknown