classCertificateDetails(TypedDict,closed=True):ca_identifier:NotRequired["capo_docdb.types.string.String"]"""<p>The CA identifier of the CA certificate used for the DB instance's server certificate.</p>"""valid_till:NotRequired["capo_docdb.types.t_stamp.TStamp"]"""<p>The expiration date of the DB instance’s server certificate.</p>"""