/**
 * League visibility/ranking mode.
 * - 'ranked' (or legacy 'public'): Competitive, public, affects driver ratings. Min 10 drivers.
 * - 'unranked' (or legacy 'private'): Casual with friends, no rating impact.
 */
export type LeagueVisibilityInput = 'ranked' | 'unranked' | 'public' | 'private';