private function getOperatorConfiguration(array $operators): array
    {
        $conf = [];
        foreach ($operators as $operator => $leafType) {
            $instance = $this->types->getOperator($operator, $leafType);
            $field = [
                'name' => $this->getOperatorFieldName($operator),
                'type' => $instance,
            ];

            $conf[] = $field;
        }

        return $conf;
    }