src/JsonHelper.php
protected function sendCreated(Response $response, string $type, array $ids, array $extra = []): Response
    {
        return $this->sendVerb('created', $response, $type, $ids, $extra)
            ->withStatus(201, "Created");
    }
protected function sendCreated(Response $response, string $type, array $ids, array $extra = []): Response
    {
        return $this->sendVerb('created', $response, $type, $ids, $extra)
            ->withStatus(201, "Created");
    }
Send notice that an entity was created.

@param \Psr\Http\Message\ResponseInterface $response  The response
@param string $type  The entity type
@param array<mixed> $ids  The entity ids
@param array<string,mixed> $extra  Any extra data to serialize
@return \Psr\Http\Message\ResponseInterface  The JSON response