Observe to updates in a thread or all threads An update is generated when a new block is added to a thread. See Block.BlockType for details and a list of block types to which you can observe.
List of event types to stream (e.g., ['FILES', 'COMMENTS', 'LIKES']. Leave undefined or empty to include all types.
Limit updates to a single thread. Leave undefined or an empty stream to stream events across all threads.
A ReadableStream of FeedItem objects.
Observe is an API to stream updates from a thread or all threads