stable class Devices { stable val DEFAULT: String stable val NEXUS_7: String stable val NEXUS_7_2013: String stable val NEXUS_5: String stable val NEXUS_6: String stable val NEXUS_9: String stable val NEXUS_10: String stable val NEXUS_5X: String stable val NEXUS_6P: String stable val PIXEL_C: String stable val PIXEL: String stable val PIXEL_XL: String stable val PIXEL_2: String stable val PIXEL_2_XL: String stable val PIXEL_3: String stable val PIXEL_3_XL: String stable val PIXEL_3A: String stable val PIXEL_3A_XL: String stable val PIXEL_4: String stable val PIXEL_4_XL: String stable val AUTOMOTIVE_1024p: String stable val WEAR_OS_LARGE_ROUND: String stable val WEAR_OS_SMALL_ROUND: String stable val WEAR_OS_SQUARE: String stable val WEAR_OS_RECT: String stable val PHONE: String stable val FOLDABLE: String stable val TABLET: String stable val DESKTOP: String stable val TV_720p: String stable val TV_1080p: String = Stable } stable class Wallpapers { stable val NONE: Int stable val RED_DOMINATED_EXAMPLE: Int stable val GREEN_DOMINATED_EXAMPLE: Int stable val BLUE_DOMINATED_EXAMPLE: Int stable val YELLOW_DOMINATED_EXAMPLE: Int = Stable } unstable class CollectionPreviewParameterProvider { unstable val collection: Collection = Unstable } stable class LoremIpsum { stable val words: Int = Stable }