continued abstract method

void continued(
  1. dynamic continuationFirst(
    1. First
    ),
  2. dynamic continuationSecond(
    1. Second
    ),
  3. dynamic continuationThird(
    1. Third
    ),
  4. dynamic continuationFourth(
    1. Fourth
    ),
)

Implementation

void continued(
  Function(First) continuationFirst,
  Function(Second) continuationSecond,
  Function(Third) continuationThird,
  Function(Fourth) continuationFourth,
);