export interface IRectangularTileUnreadIndicatorTheme {
    image: string | null;
    backgroundColor: string | null;
    textColor: string | null;
}
export declare class RectangularTileUnreadIndicatorTheme implements IRectangularTileUnreadIndicatorTheme {
    image: string | null;
    backgroundColor: string | null;
    textColor: string | null;
}