adapter.loadLocal(it);
adapter.invokeInterface(Types.ITERATOR, NEXT);
adapter.storeLocal(entry);
// keyRef.set(pc,entry.getKey())
adapter.loadLocal(index);
adapter.loadArg(0);
adapter.loadLocal(entry);
adapter.invokeInterface(Types.MAP_ENTRY, GET_KEY);
adapter.invokeStatic(Types.CASTER,Methods.METHOD_TO_STRING);
adapter.invokeVirtual(Types.VARIABLE_REFERENCE, SET);