func (c APIClient) SetMaxConcurrentStreams(n int) {
	c.limiter = limit.New(n)
}
func (c APIClient) SetMaxConcurrentStreams(n int) {
	c.limiter = limit.New(n)
}
// SetMaxConcurrentStreams Sets the maximum number of concurrent streams the
// client can have. It is not safe to call this operations while operations are
// outstanding.