void change_plugins(SharedLocation &old_location, SharedLocation &new_location, int do_swap);
void change_modules(int old_location, int new_location, int do_swap);
Plugin *plugin_exists(int plugin_id);
void change_plugins(SharedLocation &old_location, SharedLocation &new_location, int do_swap);
void change_modules(int old_location, int new_location, int do_swap);
Plugin *plugin_exists(int plugin_id);