Property::Key propertyKey; ///< A property key of the property owner
Property::Value initialValue; ///< The value to set at the start of the transition
Property::Value targetValue; ///< The value to set or animate to
Property::Key propertyKey; ///< A property key of the property owner
Property::Value initialValue; ///< The value to set at the start of the transition
Property::Value targetValue; ///< The value to set or animate to