Action4<T1, T2, T3, T4> typedef
Implementation
typedef Action4<T1, T2, T3, T4> = FutureOr<void> Function(
T1 arg1,
T2 arg2,
T3 arg3,
T4 arg4,
);
typedef Action4<T1, T2, T3, T4> = FutureOr<void> Function(
T1 arg1,
T2 arg2,
T3 arg3,
T4 arg4,
);