code: def render(self, staging=None):
          
          self.validate()
          created_files = OrderedDict()
          if staging is None:
              staging = tempfile.mkdtemp()
          this = self._render(staging)
          if this:
              created_files[repr(self)] = this
          for child in self.children:
              created_files[repr(child)] = child.render(staging)
          return created_files
docs: Renders the object to file, returning a list of created files.
  
          Calls validation code, and, as long as each child is also a subclass of
          :class:`HubComponent`, the rendering is recursive.