/**
 * Bulletin Chain Service
 *
 * Posts immutable payment records to Polkadot Bulletin Chain for:
 * - Payment receipts (permanent proof of transaction)
 * - Merchant reputation tracking
 * - Dispute records and resolution
 * - Audit trail
 *
 * More info: https://github.com/paritytech/polkadot-bulletin-chain
 */
import type { BulletinConfig, PaymentReceipt, MerchantReputation, DisputeRecord } from '../types/bulletin.types';
export declare class BulletinService {
    private api;
    private config;
    private enabled;
    private static readonly DEFAULT_RPC;
    constructor(config?: BulletinConfig);
    /**
     * Connect to Bulletin Chain
     */
    connect(): Promise<void>;
    /**
     * Post payment receipt to Bulletin Chain
     *
     * Creates immutable proof of payment completion
     */
    postPaymentReceipt(receipt: PaymentReceipt, _signerAddress: string): Promise<string | null>;
    /**
     * Post merchant reputation update
     *
     * Updates merchant's reputation score on-chain
     */
    postMerchantReputation(reputation: MerchantReputation, _signerAddress: string): Promise<string | null>;
    /**
     * Post dispute record
     *
     * Creates immutable record of payment dispute
     */
    postDisputeRecord(dispute: DisputeRecord, _signerAddress: string): Promise<string | null>;
    /**
     * Query payment receipts for a specific payment ID
     *
     * Note: This requires an indexer in production
     * For now, returns empty array as placeholder
     */
    getPaymentReceipts(paymentId: string): Promise<PaymentReceipt[]>;
    /**
     * Query merchant reputation history
     *
     * Note: Requires indexer in production
     */
    getMerchantReputation(merchantAddress: string): Promise<MerchantReputation | null>;
    /**
     * Check if Bulletin Chain is connected
     */
    isConnected(): boolean;
    /**
     * Disconnect from Bulletin Chain
     */
    disconnect(): Promise<void>;
    /**
     * Enable/disable Bulletin posting
     */
    setEnabled(enabled: boolean): void;
}
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