7 2: list<Simple> struct_list_field
8 3: set<Simple> struct_set_field
9 4: map<string,Simple> struct_map_field
10 5: list<set<map<string,list<Simple>>>> struct_nested_containers_field
11 6: map<string, list<map<string,Simple>> > struct_nested_containers_field2
12 7: list<list<string>> list_of_list_field
13 8: list<list<list<string>>> list_of_list_of_list_field
17 1: list<Complex> struct_list_field;