waitDocumentMediaGroupContent

suspend fun BehaviourContext.waitDocumentMediaGroupContent(initRequest: Request<*>? = null, errorFactory: NullableRequestBuilder<*> = { null }, count: Int = 1, includeMediaGroups: Boolean = true, filter: SimpleFilter<CommonMessage<DocumentMediaGroupContent>>? = null, mapper: CommonMessageToContentMapper<DocumentMediaGroupContent>? = null): List<DocumentMediaGroupContent>