@@ -288,7 +288,7 @@  | 
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| 288 | 288 | * Safely change to a state  | 
                                                        
| 289 | 289 | * todo check if state direction matches  | 
                                                        
| 290 | 290 | *  | 
                                                        
| 291 | - * @param $state  | 
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| 291 | + * @param string $state  | 
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| 292 | 292 | *  | 
                                                        
| 293 | 293 | * @return boolean  | 
                                                        
| 294 | 294 | */  |