A positive number that is the maximum number of results to
return.
An optional list filter <https://cloud.google.com/monitoring/
api/learn_more#filtering>__ describing the members to be
returned. The filter may reference the type, labels, and
metadata of monitored resources that comprise the group. For
example, to return only resources representing Compute Engine
VM instances, use this filter: :: resource.type =
"gce_instance"