import { type RpcProvider } from "starknet";
import type { Provider } from "ethers";
import { type ChainId } from "../../../types/index.js";
import type { BridgeMonitorInterface } from "../../../bridge/monitor/BridgeMonitorInterface.js";
import { type WithdrawMonitorResult, type DepositMonitorResult, type WithdrawalStateInput, WithdrawalState, type DepositStateInput, DepositState } from "../../../bridge/monitor/types.js";
import type { StarkZapLogger } from "../../../logger/index.js";
export interface CctpMonitorOptions {
    chainId: ChainId;
    starknetProvider: RpcProvider;
    ethereumProvider: Provider;
    fetchFn?: typeof fetch;
    logger: StarkZapLogger;
}
export declare class CctpMonitor implements BridgeMonitorInterface {
    private readonly chainId;
    private readonly starknetProvider;
    private readonly ethereumProvider;
    private readonly fetchFn;
    private readonly logger;
    private messageTransmitterPromise;
    private messageReceivedKey;
    constructor(options: CctpMonitorOptions);
    monitorDeposit(externalTxHash: string, starknetTxHash?: string): Promise<DepositMonitorResult>;
    monitorWithdrawal(snTxHash: string, externalTxHash?: string): Promise<WithdrawMonitorResult>;
    getDepositState(param: DepositStateInput): Promise<DepositState>;
    getWithdrawalState(param: WithdrawalStateInput): Promise<WithdrawalState>;
    private tryFetchAttestation;
    private findDepositTxOnSn;
    private tryFetchDepositAttestation;
    private inferBlockRange;
    private getMessageTransmitter;
}
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