/**
 * OpacusPay Facilitator - Gasless Payment Support (Ethers v6)
 */
import { ethers } from 'ethers';
export interface GaslessPaymentRequest {
    payer: string;
    payee: string;
    amount: string;
    nonce: number;
    datagramHash: string;
    escrowId: string;
    signature?: {
        v: number;
        r: string;
        s: string;
    };
}
export interface FacilitatorConfig {
    escrowV3Address: string;
    relayerUrl: string;
    chainId: number;
    provider: ethers.Provider;
    signer?: ethers.Signer;
}
export interface PaymentResult {
    escrowId: string;
    txHash?: string;
    gasless: boolean;
    relayerFee?: string;
    timestamp: number;
}
export declare class OpacusPayFacilitator {
    private config;
    private escrowContract?;
    private relayerFeeBps?;
    constructor(config: FacilitatorConfig);
    init(): Promise<void>;
    lockPayment(payee: string, amount: string, datagramHash: string): Promise<PaymentResult>;
    getUserNonce(user: string): Promise<bigint>;
    calculateGaslessCost(amount: string): {
        paymentAmount: bigint;
        relayerFee: bigint;
        totalCost: bigint;
    };
}
//# sourceMappingURL=facilitator.d.ts.map