export declare class RewardAsProductWithoutStock extends Error {
    constructor();
}
export declare class RewardAsServiceWithStock extends Error {
    constructor();
}
export declare class RewardNotFound extends Error {
    constructor(id: string);
}
export declare class RewardsNotFound extends Error {
    constructor();
}
export declare class CustomerCampaignRewardsRetrieveError extends Error {
    constructor();
}