cbor_serialized_size
indef_string_size, cbor_serialized_size(chunks[i]));
cbor_serialized_size(items[i]));
_cbor_safe_signaling_add(cbor_serialized_size(items[i].key),
cbor_serialized_size(items[i].value)));
cbor_serialized_size(cbor_move(cbor_tag_item(item))));
size_t serialized_size = cbor_serialized_size(item);
indef_bytestring_size, cbor_serialized_size(chunks[i]));
cbor_serialized_size(const cbor_item_t *item);