---@meta ---@class ccs.ActionFadeFrame :ccs.ActionFrame local ActionFadeFrame={ } ccs.ActionFadeFrame=ActionFadeFrame ---* Gets the fade action opacity.
---* return the fade action opacity. ---@return int function ActionFadeFrame:getOpacity () end ---* Gets the ActionInterval of ActionFrame.
---* param duration the duration time of ActionFrame
---* return ActionInterval ---@param duration float ---@return cc.ActionInterval function ActionFadeFrame:getAction (duration) end ---* Changes the fade action opacity.
---* param opacity the fade action opacity ---@param opacity int ---@return self function ActionFadeFrame:setOpacity (opacity) end ---* Default constructor ---@return self function ActionFadeFrame:ActionFadeFrame () end