._id2ref	ObjectSpace.#_id2ref
.count_nodes	ObjectSpace.#count_nodes
.count_objects	ObjectSpace.#count_objects
.count_objects_size	ObjectSpace.#count_objects_size
.count_tdata_objects	ObjectSpace.#count_tdata_objects
.define_finalizer	ObjectSpace.#define_finalizer
.each_object	ObjectSpace.#each_object
.garbage_collect	ObjectSpace.#garbage_collect
.memsize_of	ObjectSpace.#memsize_of
.memsize_of_all	ObjectSpace.#memsize_of_all
.undefine_finalizer	ObjectSpace.#undefine_finalizer
#_id2ref	ObjectSpace.#_id2ref
#count_nodes	ObjectSpace.#count_nodes
#count_objects	ObjectSpace.#count_objects
#count_objects_size	ObjectSpace.#count_objects_size
#count_tdata_objects	ObjectSpace.#count_tdata_objects
#define_finalizer	ObjectSpace.#define_finalizer
#each_object	ObjectSpace.#each_object
#garbage_collect	ObjectSpace.#garbage_collect
#memsize_of	ObjectSpace.#memsize_of
#memsize_of_all	ObjectSpace.#memsize_of_all
#undefine_finalizer	ObjectSpace.#undefine_finalizer
