OptionalallowedAllows configuring which mime types are allowed during ad playback.
OptionalgoogleThe Google IMA configuration.
OptionalpreloadWhether media files of mid- and postrolls are preloaded.
OptionalshowWhether an advertisement duration countdown will be shown in the UI.
use GoogleImaConfiguration.uiElements instead
OptionaltheoadsWhether to enable THEOads support.
 - Available since 8.2.0.
 - This must be set to true in order to schedule a TheoAdDescription.
OptionalvpaidThe iframe policy for VPAID ads.
Describes the configuration of advertisement.