maybeWhen<TResult extends Object?> method Null safety

  1. @optionalTypeArgs
TResult maybeWhen<TResult extends Object?>(
  1. {TResult linear(
      )?,
    1. TResult cubic(
      1. double x1,
      2. double y1,
      3. double x2,
      4. double y2
      )?,
    2. TResult decelerate(
        )?,
      1. TResult bounceIn(
          )?,
        1. TResult bounceOut(
            )?,
          1. TResult bounceInOut(
              )?,
            1. TResult elasticIn(
                )?,
              1. TResult elasticOut(
                  )?,
                1. TResult elasticInOut(
                    )?,
                  1. required TResult orElse(
                      )}
                    )
                    @optionalTypeArgs, inherited

                    Implementation

                    @optionalTypeArgs
TResult maybeWhen<TResult extends Object?>({
  TResult Function()? linear,
  TResult Function(double x1, double y1, double x2, double y2)? cubic,
  TResult Function()? decelerate,
  TResult Function()? bounceIn,
  TResult Function()? bounceOut,
  TResult Function()? bounceInOut,
  TResult Function()? elasticIn,
  TResult Function()? elasticOut,
  TResult Function()? elasticInOut,
  required TResult orElse(),
}) =>
    throw _privateConstructorUsedError;