/**
 * Interface for referral completion handling.
 *
 * Allows consuming applications to provide their own referral completion implementation
 * that handles awarding tokens to referrer and referred companies.
 *
 * Use with @Optional() @Inject(REFERRAL_COMPLETION_HANDLER) to make it optional.
 */
export interface ReferralCompletionHandler {
    /**
     * Complete a referral when a payment is made by the referred company.
     * Awards tokens to both the referrer and referred companies.
     *
     * @param params.referredCompanyId - The ID of the company that made the payment
     * @returns Promise that resolves when referral completion is complete
     */
    completeReferralOnPayment(params: {
        referredCompanyId: string;
    }): Promise<void>;
}
/**
 * Injection token for optional referral completion handler.
 * If not provided, referral completion logic is skipped.
 */
export declare const REFERRAL_COMPLETION_HANDLER: unique symbol;
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