Efl.Interpolator class is to interpolate a value.
Efl.Interpolator class has the following interpolation function classes
as its subclasses.
Efl.Interpolator.Linear
Efl.Interpolator.Accelerate
Efl.Interpolator.Decelerate
Efl.Interpolator.Sinusoidal
Efl.Interpolator.Divisor
Efl.Interpolator.Bounce
Efl.Interpolator.Spring
Efl.Interpolator.Cubic_Bezier
