@@ -148,7 +148,7 @@  | 
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| 148 | 148 | }  | 
                                                        
| 149 | 149 | |
| 150 | 150 | /**  | 
                                                        
| 151 | - * @param $callable  | 
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| 151 | + * @param \Closure $callable  | 
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| 152 | 152 | */  | 
                                                        
| 153 | 153 | public function catchIO($callable)  | 
                                                        
| 154 | 154 |      { | 
                                                        
@@ -355,7 +355,7 @@ discard block  | 
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| 355 | 355 | * Iterate other hosts, allowing to call run func in callback.  | 
                                                        
| 356 | 356 | *  | 
                                                        
| 357 | 357 | * @experimental  | 
                                                        
| 358 | - * @param Host|Host[] $hosts  | 
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| 358 | + * @param Host[] $hosts  | 
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| 359 | 359 | * @param callable $callback  | 
                                                        
| 360 | 360 | */  | 
                                                        
| 361 | 361 | function on($hosts, callable $callback)  | 
                                                        
@@ -719,7 +719,7 @@ discard block  | 
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| 719 | 719 | * Check if command exists  | 
                                                        
| 720 | 720 | *  | 
                                                        
| 721 | 721 | * @param string $command  | 
                                                        
| 722 | - * @return bool  | 
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| 722 | + * @return boolean|null  | 
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| 723 | 723 | */  | 
                                                        
| 724 | 724 | function commandExist($command)  | 
                                                        
| 725 | 725 |  { |