Man pages matching name mongoc_apm_topology_changed_get_new_description in section 3:

mongoc_apm_topology_changed_get_new_description.3.en	debian 10 / libmongoc-doc
mongoc_apm_topology_changed_get_new_description.3.en	debian 11 / libmongoc-doc
mongoc_apm_topology_changed_get_new_description.3.en	debian 12 / libmongoc-doc