parameters: (self)
docstring: Convenience method which shuts down all instances associated with
          this group.
docstring_summary: Convenience method which shuts down all instances associated with
          this group.
docstring_tokens: Convenience method which shuts down all instances associated with this group .
function: def shutdown_instances(self):
          """
          Convenience method which shuts down all instances associated with
          this group.
          """
          self.min_size = 0
          self.max_size = 0
          self.desired_capacity = 0
          self.update()
function_tokens: def shutdown_instances ( self ) : self . min_size = 0 self . max_size = 0 self . desired_capacity = 0 self . update ( )