transform_id ?? null; if (isset($transform_id)) { return "/_cat/transforms/$transform_id"; } return "/_cat/transforms"; } public function getParamWhitelist(): array { return [ 'from', 'size', 'allow_no_match', 'format', 'h', 'help', 's', 'time', 'v' ]; } public function getMethod(): string { return 'GET'; } public function setTransformId($transform_id): Transforms { if (isset($transform_id) !== true) { return $this; } $this->transform_id = $transform_id; return $this; } }