    # File lib/chef/node/attribute.rb, line 460
          def delete_from_component(component_attrs, key)
            # get the Hash-like object at the current nesting level:
            nested_attrs = value_at_current_nesting(component_attrs, key)

            if nested_attrs.respond_to?(:delete)
              nested_attrs.delete(key)
            else
              nil
            end
          end