protected function addNonProxyRelation(string $relation)
    {
        if (!in_array($relation, $this->nonProxyRelationships)) {
            $this->nonProxyRelationships[] = $relation;
        }
    }
protected function addNonProxyRelation(string $relation)
    {
        if (!in_array($relation, $this->nonProxyRelationships)) {
            $this->nonProxyRelationships[] = $relation;
        }
    }
protected function addNonProxyRelation ( string $ relation ) { if ( ! in_array ( $ relation , $ this -> nonProxyRelationships ) ) { $ this -> nonProxyRelationships [ ] = $ relation ; } }
Add a non proxy relation method name once.

@param string $relation
Add a non proxy relation method name once .