/* regular struct */
struct Named1 {
    field: int;
}
struct @free(test_free) Named2 {
    field: int;
}

/* typedef */
type Typedef1: int;
type @free(def_free) Typedef2: int;

/* opaque */
struct Opaque1;
struct @free(opaque_free) Opaque2;

/* pointers */
type Pointer1: char *;
type Pointer2: free(char *, ptr_free);

class Free_Func {
   methods {
      foo {
         params {
            int idx;
         }
         return: own(char*);
      }
   }
}