22      * @param mixed $primaryKey
26     public function set($primaryKey, $secondaryKey, $value) : void  argument
28         $secondaryData = $this->data->get($primaryKey);
33             $this->data->put($primaryKey, $secondaryData);
40      * @param mixed $primaryKey
45     public function getByTwoKeys($primaryKey, $secondaryKey)  argument
47         $data2 = $this->data->get($primaryKey);
57      * @param mixed $primaryKey
59     public function getByOneKey($primaryKey) : Map  argument
61         return $this->data->get($primaryKey);
65      * @param mixed $primaryKey
69     public function values($primaryKey) : ?array  argument
71         $secondaryData = $this->data->get($primaryKey);
89      * @param mixed $primaryKey
93     public function secondaryKeys($primaryKey) : ?array  argument
95         $secondaryData = $this->data->get($primaryKey);