Callback4Arg<T1, T2, T3, T4> typedef
Callback4Arg<T1, T2, T3, T4> =
dynamic Function(T1 arg1, T2 arg2, T3 arg3, T4 arg4)
Implementation
typedef Callback4Arg<T1, T2, T3, T4> = dynamic Function(T1 arg1, T2 arg2, T3 arg3, T4 arg4);