method set_timestamp v = {< timestamp = v >}
method set_lib_db v = {< lib_db = v >}
method set_lib_status : 's.#g_status as 's -> 'self
method set_timestamp v = {< timestamp = v >}
method set_lib_db v = {< lib_db = v >}
method set_lib_status : 's.#g_status as 's -> 'self