import { ethers } from 'ethers';
import { PortalNetwork } from './client.js';
import type { PortalNetworkOpts } from './types.js';
import type { HistoryNetwork } from '../networks/index.js';
export declare class UltralightProvider extends ethers.JsonRpcProvider {
    private fallbackProvider;
    portal: PortalNetwork;
    historyNetwork: HistoryNetwork;
    static create: (fallbackProviderUrl: string | ethers.JsonRpcProvider, opts: Partial<PortalNetworkOpts>) => Promise<UltralightProvider>;
    constructor(fallbackProvider: string | ethers.JsonRpcProvider, portal: PortalNetwork);
    getBlock: (blockTag: ethers.BlockTag) => Promise<ethers.Block | null>;
    getBlockWithTransactions: (blockTag: ethers.BlockTag) => Promise<{
        hash: string;
        transactions: ethers.TransactionResponse[];
        parentHash: string;
        number: number;
        timestamp: number;
        nonce: string;
        difficulty: bigint;
        gasLimit: bigint;
        miner: string;
        gasUsed: bigint;
        extraData: string;
        _difficulty: bigint;
        sha3Uncles: string;
        uncleHeaders: string[];
        stateRoot: string;
        transactionCount: number;
    }>;
}
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