code: func (o *OAuthSession) Throttle(interval time.Duration) {
  	if interval == 0 {
  		o.throttle = nil
  		return
  	}
  	o.throttle = rate.New(1, interval)
  }
docs: // Throttle sets the interval of each HTTP request.
  // Disable by setting interval to 0. Disabled by default.
  // Throttling is applied to invidual OAuthSession types.