Copyvar spyAfter: <T>(onEvent: (event: Event<T>) => void) => Operator<T, T>1var spyAfter: <T>(onEvent: (event: Event<T>) => void) => Operator<T, T>
var spyAfter: <T>(onEvent: (event: Event<T>) => void) => Operator<T, T>1var spyAfter: <T>(onEvent: (event: Event<T>) => void) => Operator<T, T>