find an instance
        
        Create a new instance and populate it with data stored if it exists.
        
        Args:
            binding_id (string): UUID of the binding
            instance (AtlasServiceInstance.Instance): instance
            
        Returns:
            AtlasServiceBinding: A binding

def find(self, binding_id, instance):
        """find an instance
        
        Create a new instance and populate it with data stored if it exists.
        
        Args:
            binding_id (string): UUID of the binding
            instance (AtlasServiceInstance.Instance): instance
            
        Returns:
            AtlasServiceBinding: A binding
        """
        binding = AtlasServiceBinding.Binding(binding_id, instance)
        self.backend.storage.populate(binding)
        return binding