cloud.google.com/go/monitoring/apiv3.GroupClient.ListGroups (method)

one use

	cloud.google.com/go/monitoring/apiv3 (current package)
		group_client.go#L206: func (c *GroupClient) ListGroups(ctx context.Context, req *monitoringpb.ListGroupsRequest, opts ...gax.CallOption) *GroupIterator {