template<typename Type> [TEnableIf](API\Runtime\Core\Templates\TEnableIf)<![TAttributeTypeTraits](API\Runtime\Engine\Animation\TAttributeTypeTraits)< Type >::IsBlendable||[TAttributeTypeTraits](API\Runtime\Engine\Animation\TAttributeTypeTraits)< AttributeType >::StepInterpolate, void >::Type Interpolate_Internal ( const void * FromData, const void * ToData, float Alpha, void * InOutData ) const