@FunctionalInterface public interface Function4<T1,T2,T3,T4,R>
default <V> Function4<T1,T2,T3,T4,V>
andThen(Function1<? super R,? extends V> f)
R
apply(T1 t1, T2 t2, T3 t3, T4 t4)
R apply(T1 t1, T2 t2, T3 t3, T4 t4) throws java.lang.Exception
java.lang.Exception
default <V> Function4<T1,T2,T3,T4,V> andThen(Function1<? super R,? extends V> f)