Element:add_child(element, position)
Element:add_class(class)
Element:append_child(element)
Element:attach(element, position)
Element:bring_to_front()
Element:clone(deep, parent)
Element:destroy()
Element:detach()
Element:disable()
Element:draw()
Element:enable()
Element:exchange_with(index)
Element:first_child()
Element:get_property(property)
Element:has_children()
Element:has_class(class)
Element:has_property(property)
Element:insert_before(element)
Element:insert_after(element)
Element:is_binding(x, y)
Element:is_enabled()
Element:last_child()
Element:next_sibling()
Element:prepend_child(element)
Element:previous_sibling()
Element:remove_child(element)
Element:remove_class(class)
Element:remove_property(property)
Element:replace_child(old, new)
Element:set_property(property, value)
Element:send_to_back()
Element:set_index(index)
Element:update(dt)