| container | The container tree to search. | 
| path | The property path to resolve. | 
                  bool
        
          true if a property can be found at path.
      
 Returns true if a property exists at the specified PropertyPath.
 
| container | The container tree to search. | 
| path | The property path to resolve. | 
                  bool
        
          true if a property can be found at path.
      
 Returns true if a property exists at the specified PropertyPath.