public T GetValueInternal(
     float startFrame,
     float endFrame,
     T startValue,
     T endValue,
     float linearKeyframeProgress,
     float interpolatedKeyframeProgress,
     float overallProgress
     )
 {
     return(GetValue(
                _frameInfo.Set(
                    startFrame,
                    endFrame,
                    startValue,
                    endValue,
                    linearKeyframeProgress,
                    interpolatedKeyframeProgress,
                    overallProgress
                    )
                ));
 }