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Inherits: :ref:`RefCounted<class_RefCounted>` < :ref:`Object<class_Object>`
Inherited By: :ref:`CallbackTweener<class_CallbackTweener>`, :ref:`IntervalTweener<class_IntervalTweener>`, :ref:`MethodTweener<class_MethodTweener>`, :ref:`PropertyTweener<class_PropertyTweener>`
Abstract class for all Tweeners used by :ref:`Tween<class_Tween>`.
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Tweeners are objects that perform a specific animating task, e.g. interpolating a property or calling a method at a given time. A Tweener can't be created manually, you need to use a dedicated method from :ref:`Tween<class_Tween>`.
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finished ( )
Emitted when the Tweener has just finished its job.