List threads and fetch the runs for each thread.
.. admonition:: Deprecated
Use :meth:`langsmith.Client.threads.query` instead.
See https://docs.langchain.com/langsmith/smithdb-sdk-migration-threads#threads-query for the migration guide.
Will be removed after Jan 31, 2027.
Maximum number of threads to return. Default None (no limit).
Pagination offset for threads. Default 0.
Optional filter for threads and runs.
Only include runs from this time. Default: 1 day ago.