true, self::ADS_METRICS => true, self::FREE_LISTING_METRICS => true, self::MC_ACCOUNT_REVIEW => true, self::MC_IS_SUBACCOUNT => true, self::MC_STATUSES => true, self::URL_MATCHES => true, self::WPCOM_API_STATUS => true, ]; /** * Get a transient. * * @param string $name The transient name. * @param mixed $default_value A default value for the transient. * * @return mixed */ public function get( string $name, $default_value = null ); /** * Add or update a transient. * * @param string $name The transient name. * @param mixed $value The transient value. * @param int $expiration Time until expiration in seconds. * * @return bool */ public function set( string $name, $value, int $expiration = 0 ): bool; /** * Delete a transient. * * @param string $name The transient name. * * @return bool */ public function delete( string $name ): bool; /** * Returns all available transient keys. * * @return array * * @since 1.3.0 */ public static function get_all_transient_keys(): array; }