._id2ref	ObjectSpace.#_id2ref
.add_finalizer	ObjectSpace.#add_finalizer
.call_finalizer	ObjectSpace.#call_finalizer
.define_finalizer	ObjectSpace.#define_finalizer
.each_object	ObjectSpace.#each_object
.finalizers	ObjectSpace.#finalizers
.garbage_collect	ObjectSpace.#garbage_collect
.remove_finalizer	ObjectSpace.#remove_finalizer
.undefine_finalizer	ObjectSpace.#undefine_finalizer
#_id2ref	ObjectSpace.#_id2ref
#add_finalizer	ObjectSpace.#add_finalizer
#call_finalizer	ObjectSpace.#call_finalizer
#define_finalizer	ObjectSpace.#define_finalizer
#each_object	ObjectSpace.#each_object
#finalizers	ObjectSpace.#finalizers
#garbage_collect	ObjectSpace.#garbage_collect
#remove_finalizer	ObjectSpace.#remove_finalizer
#undefine_finalizer	ObjectSpace.#undefine_finalizer
