code: func (p *roundRobinResourcePool) EnterLameDuckMode() {
  	p.rwMutex.RLock()
  	defer p.rwMutex.RUnlock()
  
  	p.isLameDuck = true
  
  	for _, locPool := range p.pools {
  		locPool.Pool.EnterLameDuckMode()
  	}
  }
docs: // See ResourcePool for documentation.