private function setTokenInMemory(string $tag, string $token): string
    {
        return $this->tagTokens[$tag] = $token;
    }
private function setTokenInMemory(string $tag, string $token): string
    {
        return $this->tagTokens[$tag] = $token;
    }
private function setTokenInMemory ( string $ tag , string $ token ) : string { return $ this -> tagTokens [ $ tag ] = $ token ; }
Set token in Memory for fast access within the same request.
@param $tag string
@param $token string
@return string
Set token in Memory for fast access within the same request .