/**
 * ERC-7752 0G Bridge — Zero-Gas Cross-Chain Bridge Intent Standard
 */
import { ethers } from 'ethers';
export interface BridgeIntent {
    submitter: string;
    destChain: bigint;
    token: string;
    grossAmount: bigint;
    netAmount: bigint;
    proofHash: string;
    status: number;
    expiresAt: number;
}
export interface BridgeSubmitOptions {
    destChain: number;
    token: string;
    grossAmount: bigint;
    ttlSeconds?: number;
}
export declare class BridgeClient {
    private contract;
    constructor(address: string, signerOrProvider: ethers.Signer | ethers.Provider);
    /**
     * Submit a bridge intent.
     * 1% fee is deducted on source chain; 99% is transferred on destination chain.
     */
    submit(opts: BridgeSubmitOptions): Promise<string>;
    /** Fulfill an intent (called by authorized relayer) */
    fulfill(intentId: string, proofHash: string): Promise<ethers.TransactionReceipt>;
    /** Cancel expired intent and recover funds */
    cancel(intentId: string): Promise<ethers.TransactionReceipt>;
    getIntent(intentId: string): Promise<BridgeIntent>;
}
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