Returns a mapping between dataset IDs and their parent product IDs. This is essential for navigating between granular dataset identifiers (used in data access) and product identifiers (used in catalogue browsing). The response is a JSON object where keys are dataset IDs and values are product IDs. Use this when you have a dataset ID from a data file and need to find its product metadata, or vice versa.
Original spec description
Returns a mapping between dataset IDs and their parent product IDs for discovering related datasets.