@FunctionalInterface public static interface MapCodecMerger.I5<T1,T2,T3,T4,T5,O>
O
apply(T1 t1, T2 t2, T3 t3, T4 t4, T5 t5)
O apply(T1 t1, T2 t2, T3 t3, T4 t4, T5 t5)