1. override
FlutterLogoDecoration lerpFrom(Decoration a, double t)

Linearly interpolates from a to this.

Source 

@override
FlutterLogoDecoration lerpFrom(Decoration a, double t) {
  assert(debugAssertIsValid());
  if (a is! FlutterLogoDecoration)
    return lerp(null, this, t);
  assert(a.debugAssertIsValid);
  return lerp(a, this, t);
}