docs: def _fix_quantities(tree):
      '''
      Stupidly simple function to fix any Items/Quantity disparities inside a
      DistributionConfig block before use. Since AWS only accepts JSON-encodable
      data types, this implementation is "good enough" for our purposes.
      '''
      if isinstance(tree, dict):
          tree = {k: _fix_quantities(v) for k, v in tree.items()}
          if isinstance(tree.get('Items'), list):
              tree['Quantity'] = len(tree['Items'])
              if not tree['Items']:
                  tree.pop('Items')  # Silly, but AWS requires it....
          return tree
      elif isinstance(tree, list):
          return [_fix_quantities(t) for t in tree]
      else:
          return tree