import { InventoryReward } from '../../../../types/api';
interface FindPrizeIndexParams {
    prizes: InventoryReward[];
    targetReward: InventoryReward;
    currentIndex: number;
}
/**
 * Finds the index of the closest prize to the target reward.
 * For coins, finds the closest value.
 * For other rewards, finds exact match.
 * Always tries to find the next occurrence after current position.
 * Returns null if no valid index is found.
 */
export declare function findPrizeIndex({ prizes, targetReward, currentIndex, }: FindPrizeIndexParams): number | null;
export {};
