get
open override fun getAd(adContext: AdContext, adRequestInfo: StorytellerAdRequestInfo, onComplete: (StorytellerAd) -> Unit, onAdFallbackRequest: (StorytellerAdLoadError) -> Unit, onError: (StorytellerAdLoadError) -> Unit)
IMA is not an ad-as-Clip module. Current SDKs exclude it from the standard request chain.
This defensive failure makes the incompatibility explicit if an older SDK invokes it.