AtkStateSet determines an object's state set AtkStateSet determines an object's state set. The state set of an object is a set of AtkState objects and describes the current overall state of the object, such as whether it is active, has focus, etc. @Returns: @set: @Returns: @set: @type: @Returns: @set: @types: @n_types: @set: @set: @type: @Returns: @set: @types: @n_types: @Returns: @set: @type: @Returns: @set: @compare_set: @Returns: @set: @compare_set: @Returns: @set: @compare_set: @Returns: