Here are the data structures with brief descriptions:

download_t
frame_destroy_callback_t
globalconf_t
ltimer_t
lua_class_property
lua_class_t
lua_object_t
LuakitAuthDialog
LuakitAuthDialogClass
LuakitCookieJar
LuakitCookieJarClass
property_t
property_tmp_value_t
soup_t
sqlite3_t
token_map_t
webview_data_t
widget_info_t
widget_t