A list of fleet details meeting the request criteria.
If the previous paginated request did not return all of the remaining results, the
response object's nextToken parameter value is set to a token. To retrieve the
next set of results, call ListFleets again and assign that token to the
request object's nextToken parameter. If there are no remaining results, the
previous response object's NextToken parameter is set to null.
Metadata pertaining to this request.