Indeterministic Kapt stub generation

BlockUserItemHydrator.kt

class BlockUserItemHydrator() : RichFeedbackActionItemHydrator<TwitterUser, RichFeedbackBehaviorBlockUser> {

    override fun RichFeedbackBehaviorBlockUser.hydrate(): Pair<RichFeedbackBehaviorBlockUser, TwitterUser?> =
        RichFeedbackBehaviorBlockUser.DEFAULT to null

    override fun getPrompt(data: TwitterUser): String = "" // implementation removed

    @HorizonIcon
    override fun getIcon(data: TwitterUser): String? = null // implementation removed
}

RichFeedbackActionItemHydrator.kt

interface RichFeedbackActionItemHydrator<Data, RFB : RichFeedbackBehavior> {

    fun RFB.hydrate(): Pair<RFB, Data?>

    /** This comment is discarded, since the method is overridden. */
    fun getPrompt(data: Data): String? = null

    /** This comment is picked up only if this interface is in the compilation. */
    fun getConfirmation(data: Data): String? = null

    @HorizonIcon
    fun getIcon(data: Data): String?

    fun hydrate(
        prompt: FeedbackAction.PromptInfo,
        feedback: RFB
    ): FeedbackAction.PromptInfo? = null // implementation removed

    fun hydrate(
        action: FeedbackAction,
        behavior: RFB
    ): FeedbackAction? = null // implementation removed
}