A request to get user facing log messages associated with data transfer
run.
Pagination token, which can be used to request a specific page
of ListTransferLogsRequest list results. For multiple-page
results, ListTransferLogsResponse outputs a next_page
token, which can be used as the page_token value to
request the next page of list results.
Message types to return. If not populated - INFO, WARNING and
ERROR messages are returned.
