 
      
    
      
     
      
    
      
     
      
    
       
      
    
       
      
    
       
      
    
       
      
    
      behave nicely with Future helpers like firstCompletedOf or sequence
 
      
    
       
      
    
       
      
    
       
      
    
       
      
    
       
      
    
       
      
    
      
     
      
    
      
     
      
    
       
      
    
       
      
    
       
      
    
       
      
    
       
      
    
       
      
    
       
      
    
      
     
      
    
      
     
      
    
       
      
    
      
     
      
    
      
     
      
    
       
      
    
      Disconnect from the server (stop the actor)
 
      
    
       
      
    
       
      
    
       
      
    
      